CN109719908B - Injection mold - Google Patents
Injection mold Download PDFInfo
- Publication number
- CN109719908B CN109719908B CN201910182470.7A CN201910182470A CN109719908B CN 109719908 B CN109719908 B CN 109719908B CN 201910182470 A CN201910182470 A CN 201910182470A CN 109719908 B CN109719908 B CN 109719908B
- Authority
- CN
- China
- Prior art keywords
- row
- seat
- slide
- insert
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002347 injection Methods 0.000 title claims abstract description 78
- 239000007924 injection Substances 0.000 title claims abstract description 78
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 238000000465 moulding Methods 0.000 claims description 27
- 238000001746 injection moulding Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000000994 depressogenic effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides an injection mold, which comprises a first module, a second module and a first mold core, wherein the first module comprises a first template and a first mold core; the second module comprises a second template and a second die core which surrounds the first die core to form a cavity; the first slide mechanism comprises a first slide seat which is slidably connected with the first template and can move relative to the cavity, a first inclined guide rod which drives the first slide seat to slide, a first slide insert which is connected with the first slide seat, and a second slide insert which is slidably connected with the first slide seat and the first module respectively; the first line position insert and the second line position insert are both positioned between the cavity and the first line position seat, and the first line position insert can drive the first line position insert to move towards the cavity along a first direction; the second row insert can drive the second row insert to move towards the cavity along a second direction. The injection mold may mold and demold at least two undercuts, at least two depressions, or a combination of two or more undercuts and depressions on the same side of the product 10 by the same inline mechanism.
Description
Technical Field
The invention relates to the technical field of molds, in particular to an injection mold.
Background
The slide mechanism of the injection mold is a mechanism capable of obtaining lateral core pulling or lateral parting and dragging out the positions of inverted buckle, sinking and the like of a product through a reset action. However, since the same slide mechanism of the existing injection mold can only mold and demold the inverted buckle or the depression in a single direction, when the same side of the product is provided with more than two inverted buckles or depressions in different directions, the method of setting more than two slide mechanisms can only be used for molding and demolding each inverted buckle or depression of the product, and the method of setting more than two slide mechanisms can not only increase the volume of the injection mold and increase the structural complexity of the injection mold, but also greatly improve the design difficulty of the injection mold. In addition, when the distance between the inverted buckles or the sags in more than two different directions on the same side of the product is too small, the internal space of the injection mold is very easy to cause that more than two line mechanisms cannot be allowed to be arranged side by side, so that the product cannot be molded at one time.
Disclosure of Invention
In order to solve the above problems, a main object of the present invention is to provide an injection mold that can mold and demold at least two undercuts, at least two depressions, or a combination of two or more undercuts and depressions on the same side of a product by the same alignment mechanism.
In order to achieve the main purpose of the invention, the invention provides an injection mold, which comprises a first mold set, a second mold set and a first slide mechanism, wherein the first mold set comprises a first mold plate and a first mold core fixedly arranged on the first mold plate, the second mold set comprises a second mold plate and a second mold core fixedly arranged on the second mold plate, the first mold set and the second mold set can move in opposite directions along the opening and closing direction of the injection mold, a cavity is formed between the first mold core and the second mold core, the first slide mechanism comprises a first slide seat and a first inclined guide rod, the first slide seat is slidably connected with the first mold plate, the first slide seat can move relative to the cavity, the first inclined guide rod is slidably connected with the first slide seat, the first inclined guide rod drives the first slide seat to slide, the first slide seat and the second slide seat are arranged between the cavity and the first slide seat, the first slide seat is connected with the first slide seat along the first slide seat, and the second slide seat is arranged between the first slide seat and the first slide seat along the first slide seat, and the slide seat is arranged along the first slide seat.
From the above, through the structural design of the injection mold, the first row seat of the first row position mechanism can drive the first row position insert and the second row position insert to move simultaneously, and the first row position insert and the second row position insert are controlled to move along two different directions respectively through the cooperation between the first row position seat and the first module, so that the first row position mechanism can mold and demold the inverted buckle or the depression of the same side of the product in two different directions simultaneously. In addition, the structural design of the first line position mechanism can effectively ensure the synchronism of the first line position insert and the second line position insert during demolding, effectively reduce the space occupied by the first line position mechanism, reduce the volume of the injection mold and reduce the design difficulty of the injection mold.
In a preferred embodiment, the first row of inserts is fixedly mounted on the first row of seats.
From the above, the first row of position inserts can be fixedly connected with the first row of position seats according to the actual molding and demolding requirements, so that the demolding direction of the first row of position inserts is consistent with the moving direction of the first row of position seats, the connecting structure of the first row of position inserts is further simplified, and the structural complexity of the injection mold is reduced.
Further, a first sliding groove is formed in the first template, the first sliding groove is arranged towards the cavity, the extending direction of the first sliding groove is perpendicular to the opening and closing direction, the first line seat is slidably installed in the first sliding groove, a first forming part is arranged on the end face of the first line insert, which faces the cavity, the first forming part is arranged towards the cavity along the extending direction of the first sliding groove, and the first direction is parallel to the extending direction of the first sliding groove.
From the above, the first sliding groove is used for controlling the moving direction of the first row of seat, and because the first row of insert is fixedly connected with the first row of seat, when the first molding part of the first row of insert is provided, the extending direction of the first molding part is required to be ensured to be consistent with the moving direction of the first row of seat, so as to ensure that the first row of insert can be demolded correctly.
The first slide rail is arranged on the first slide seat, the second slide groove is arranged on the second slide insert, the first slide rail is slidably arranged in the second slide groove, the third slide groove is arranged on the second slide insert, the second slide rail is arranged on the first die core or the first die plate, an included angle between the extending direction of the second slide rail and the extending direction of the first slide groove is 13-17 degrees, along the die opening and closing direction, the distance between one end, close to the die cavity, of the second slide rail and the second die set is smaller than the distance between one end, close to the first slide seat, of the second slide rail and the second die set, the second slide rail is slidably arranged in the third slide groove, a second forming part is arranged on the end face, facing the die cavity, of the second slide rail, and the second forming part is arranged along the extending direction of the second slide rail.
In a further scheme, an included angle between the extending direction of the second sliding rail and the extending direction of the first sliding groove is 15 degrees.
From the above, the movement of the second slide rail is controlled by the cooperation between the first slide seat and the first module, and the orientation of the second slide rail can be set according to the demolding direction of the second slide rail. The first sliding rail is used for providing driving force for sliding of the second slide insert, reduces resistance required to bear when the second slide insert slides, and ensures smoothness of sliding of the second slide insert, so that reliability of opening and closing of the injection mold is ensured.
In another preferred embodiment, the first row of inserts are slidably connected to the first row of seats and the first module, respectively.
From the above, the first row of position inserts can be further arranged to be linked with the first row of position seats and the first module according to actual molding and demolding requirements, so that the first row of position inserts have a larger application range.
The injection mold further comprises a second line position mechanism, the second line position mechanism comprises a second line position seat, a second inclined guide rod and a third line position insert, the second line position seat is slidably connected with the first template, the second line position seat can move relative to the cavity, the second line position seat and the first line position seat are respectively located on two opposite sides of the cavity, the second inclined guide rod is slidably connected with the second line position seat, the second inclined guide rod drives the second line position seat to slide, the third line position insert is located between the cavity and the second line position seat, the third line position insert is connected with the second line position seat, and the second line position seat can drive the third line position insert to move towards the cavity along a third direction.
From the above, the injection mold can be additionally provided with different numbers and different positions of slide mechanisms according to the molding requirements of other parts of the product, so that one-step molding of a plurality of inverted buckles and sinkage structures of the product is ensured.
Still further scheme is, injection mold still includes line position lock, and line position lock installs on first template, and the locking portion of line position lock sets up towards first line position seat, and the one side of first line position seat towards first template is provided with two spacing grooves, and two spacing grooves distribute along the slip direction of first line position seat, and the locking portion of line position lock can with one block in two spacing grooves.
From the above, the slide lock is used for limiting the first slide seat, so that the first slide insert and the second slide insert can be accurately aligned in a mold closing state, and meanwhile, the first slide seat can be prevented from moving beyond the designed limit position in the mold opening and closing process.
The first mold plate is a rear mold plate, the first mold core is a rear mold plate, the second mold plate is a front mold plate, the second mold core is a front mold core, and the first inclined guide rod and the second inclined guide rod are fixedly connected with the second mold plate respectively.
From the above, the number of the first positioning mechanism, the second positioning mechanism, the first mold core and the second mold core can be selectively set according to the design structure and the volume of the injection mold.
In a further scheme, the first line position mechanism further comprises a fourth line position insert, the fourth line position insert is positioned between the cavity and the first line position seat, the fourth line position insert is respectively and slidably connected with the first line position seat and the first module, and the first line position seat can drive the fourth line position insert to move towards the cavity along the fourth direction.
From the above, the number of the row position inserts on the first row position mechanism can be changed according to the number of the inverted buckles or the sags which are required to be formed on the same side of the product and have different directions, so that the injection mold can meet the requirements of forming and demolding at least two inverted buckles, at least two sags or the combination of at least two inverted buckles and sags on the same side of the product by adopting the same row position mechanism.
Drawings
Fig. 1 is a structural view of a first embodiment of an injection mold of the present invention.
Fig. 2 is a block diagram of a first omitted part of the components of the first embodiment of the injection mold of the present invention.
Fig. 3 is a structural view of the injection mold of the first embodiment of the present invention after omitting a part of the components.
Fig. 4 is a block diagram of a first positioning mechanism of a first embodiment of an injection mold according to the present invention.
Fig. 5 is an exploded view of a first positioning mechanism of a first embodiment of an injection mold of the present invention.
Fig. 6 is a partial block diagram of the injection mold of the first embodiment of the present invention with a part of the components omitted.
Fig. 7 is a partial block diagram of the injection mold of the first embodiment of the present invention after omitting a part of the components.
Fig. 8 is a partial block diagram of the injection mold of the first embodiment of the present invention after omitting part of the components.
Fig. 9 is a partial block diagram of a fourth omitted part of the components of the first embodiment of the injection mold of the present invention.
Fig. 10 is a partial block diagram of the injection mold of the first embodiment of the present invention after omitting part of the components.
Fig. 11 is a structural view of a second slide mechanism of the first embodiment of the injection mold of the present invention.
Fig. 12 is a partial block diagram of a sixth omitted part of the components of the first embodiment of the injection mold of the present invention.
Fig. 13 is a partial block diagram of a seventh omitted part of the components of the first embodiment of the injection mold of the present invention.
The invention is further described below with reference to the drawings and examples.
Detailed Description
First embodiment of injection mold:
Referring to fig. 1 to 3, an injection mold 100 includes a front mold frame base plate 1, a first mold group 2, a second mold group 3, a first positioning mechanism 4, a second positioning mechanism 5, a thimble unit 6, and a rear mold frame base plate 7. In this embodiment, the first module 2 is a rear module, and the second module 3 is a front module.
An injection molding opening 11 is arranged on the front die carrier bottom plate 1, and the injection molding opening 11 is used for providing an injection molding feed liquid inlet for an injection molding machine. The second module 3 includes a second mold plate 31 and a second mold core 32, wherein the second mold plate 31 is a front mold plate, and the second mold core 32 is a front mold core. The second template 31 is fixedly connected with the front die frame bottom plate 1, the second die core 32 is fixedly arranged on the second template 31, the second template 31 is provided with a first guide pillar 311, and the first guide pillar 311 is arranged in a mode of extending back to the front die frame bottom plate 1 along the die opening and closing direction L1 of the injection die 100.
The first module 2 includes a first mold 21 and a first mold 22, wherein the first mold 21 is a rear mold, and the first mold 22 is a rear mold. The first mold core 22 is fixedly installed on the first mold plate 21, and the first mold plate 21 is slidably connected with the first guide post 311 along the axial direction of the first guide post 311, so that the first mold set 2 and the second mold set 3 can move in opposite directions or opposite directions along the mold opening and closing direction L1 of the injection mold 100. When the first die set 2 and the second die set 3 move towards each other and are clamped, the first die core 22 and the second die core 32 enclose a cavity therebetween. The cavity is communicated with the injection molding opening 11 on the front die carrier bottom plate 1, so that when the injection molding machine injects injection molding material liquid from the injection molding opening 11, the injection molding material liquid can enter the cavity through a runner between the first die set 2 and the second die set 3, and then the product 10 is molded.
The ejector pin unit 6 is provided with a second guide post 612 towards the first die plate 21, the second guide post 612 is parallel to the first guide post 311, and the first die plate 21 is slidably connected with the second guide post 612 along the extending direction of the second guide post 612. The ejector pin unit 6 includes an ejector pin plate 61 and an ejector pin, the first guide post 311 is fixedly connected to the ejector pin plate 61, the ejector pin is fixedly mounted on the ejector pin plate 61, the ejector pin is arranged along the axial direction of the second guide post 612 towards the first die plate 21, and the ejector pin penetrates through the first die plate 21 and the first die core 22. The ejector pin unit 6 is used for performing demolding treatment on the injection molded product 10, namely when the product 10 needs to be demolded, the ejector pin unit 6 moves towards the first template 21, so that the ejector pin penetrates out of the first die core 22 and moves towards the second die core 32, and the ejector pin ejects the product 10, so that the product 10 is separated from the first die core 22, and the demolding of the product 10 is realized.
The rear mold frame bottom plate 7 is fixedly connected with the first mold plate 21, the rear mold frame bottom plate 7 is provided with a third guide post along the extending direction of the second guide post 612 towards the ejector pin plate 61, and the ejector pin plate 61 is slidably connected with the third guide post along the extending direction of the third guide post. In addition, a position sensor 71 is provided on the rear mold frame base plate 7, and a detection end of the position sensor 71 is provided toward the ejector plate 61 of the ejector unit 6. The position sensor 71 is used for limiting the thimble unit 6 in the resetting process, so that the thimble unit 6 is prevented from hard collision with the rear die carrier bottom plate 7 during resetting. Because the injection mold 100 is controlled by the injection molding machine when performing operations such as injection molding and demolding, the detection signals obtained by the position sensor 71 can be fed back to the operating system of the injection molding machine in real time by arranging the position sensor 71, so that the injection molding machine is ensured to avoid collision between the ejector pin unit 6 and the rear mold frame bottom plate 7 when the ejector pin unit 6 is controlled to reset, and the injection mold 100 is protected. Preferably, the position sensor 71 employs a micro switch.
Referring to fig. 4 to 9, in the present embodiment, the number of the first positioning mechanism 4, the second positioning mechanism 5, the first mold core 22 and the second mold core 32 is two, and one first positioning mechanism 4, one second positioning mechanism 5, one first mold core 22 and one second mold core 32 form an injection molding position of the product 10. Of course, the number of the first positioning mechanism 4, the second positioning mechanism 5, the first mold core 22 and the second mold core 32 can be changed according to the practical structural design, the size and other condition factors of the injection mold 100, so the number of the first positioning mechanism 4, the second positioning mechanism 5, the first mold core 22 and the second mold core 32 in the embodiment is only one of various alternatives for assisting in explaining the present invention.
The first seating mechanism 4 includes a first seating 41, a first diagonal guide 42, a first seating insert 43, and a second seating insert 44. The first row seat 41 is slidably connected to the first mold plate 21, and the first row seat 41 is movable relative to the cavity. The first inclined guide rod 42 is slidably connected with the first row of seats 41, and drives the first row of seats 41 to slide relative to the cavity.
Specifically, the first mold plate 21 is provided with a first sliding groove 211, the first sliding groove 211 extends toward the cavity, and the extending direction of the first sliding groove 211 is perpendicular to the mold opening and closing direction L1 of the injection mold 100. The first row seat 41 is slidably installed in the first slide groove 211 along the extending direction of the first slide groove 211. Preferably, the first template 21 is provided with a wear-resistant block 212, and the wear-resistant block 212 is adjacent to the bottom of the first row seat 41, so that the wear-resistant block 212 can protect the first template 21 and prevent the first template 21 from being excessively worn, thereby effectively prolonging the service life of the injection mold 100, reducing the maintenance and replacement cost of the injection mold 100, and facilitating the maintenance of the injection mold 100. The first diagonal guide 42 is fixedly connected to the second die plate 31, i.e. the first diagonal guide 42 is connected to the second die plate 31. The first row seat 41 is provided with a first inclined guide hole 412, and the first inclined guide hole 412 is inclined to the first template 21, that is, the distance between one end of the first inclined guide hole 412, which is close to the second template 31, and the cavity is smaller than the distance between one end of the first inclined guide hole 412, which is close to the first template 21, and the cavity. The first inclined guide bar 42 is slidably installed in the first inclined guide hole 412, so as to drive the first row seat 41 to slide along the first sliding groove 211.
The first row of inserts 43 is located between the cavity and the first row of seats 41, and the first row of inserts 43 is fixedly mounted on an end surface of the first row of seats 41 facing the cavity, such that the first row of seats 41 can drive the first row of inserts 43 to move toward the cavity in the first direction L2. The first row insert 43 is provided with a first molding portion 431 on an end surface facing the cavity, the first molding portion 431 is provided along an extending direction of the first sliding groove 211 toward the cavity, and the first molding portion 431 is used for molding a first undercut or a first depression of the first side of the product 10. Wherein the first direction L2 is parallel to the extending direction of the first sliding slot 211. The first row of the positional inserts 43 is fixedly connected with the first row of the positional seats 41, so that the demolding direction of the first row of the positional inserts 43 can be kept consistent with the moving direction of the first row of the positional seats 41, the connecting structure of the first row of the positional inserts 43 is further simplified, and the structural complexity of the injection mold 100 is reduced. In addition, since the first row insert 43 is fixedly connected to the first row seat 41, when the first molding portion 431 of the first row insert 43 is provided, it is necessary to ensure that the extending direction of the first molding portion 431 is kept identical to the moving direction of the first row seat 41, so as to ensure that the first row insert 43 can be accurately demolded.
The second row of the insert 44 is located between the cavity and the first row of the insert 41, the second row of the insert 44 is slidably connected with the first row of the insert 41, and the second row of the insert 44 is slidably connected with the first module 2, so that the first row of the insert 41 can drive the second row of the insert 51 to move towards the cavity along the second direction L3, wherein the second direction L3 is arranged opposite to the first direction L2. Specifically, a first sliding rail 411 is disposed on an end surface of the first row seat 41 facing the cavity, a second sliding groove 441 is disposed on an end surface of the second row insert 44 facing the first row seat 41, the first sliding rail 411 is slidably mounted in the second sliding groove 441, and the first row seat 41 is adjacent to the second row insert 44. The second row insert 44 is provided with a third slide groove 442 on an end surface facing the first die plate 21. The first sliding rail 411 is disposed inclined to the first mold plate 21, that is, a distance between one end of the first sliding rail 411, which is close to the second mold plate 31, and the cavity is greater than a distance between one end of the first sliding rail 411, which is close to the first mold plate 21, and the cavity. Through the structural design of the first sliding rail 411, when the first sliding seat pulls or pushes the second slide insert 44 to move, more labor can be saved, and therefore the second slide insert 44 can be ensured to move more smoothly.
In the present embodiment, the second sliding rail 221 is disposed on the first mold core 22, and the second sliding rail 221 is slidably mounted in the third sliding groove 442. The included angle between the extending direction of the second sliding rail 221 and the extending direction of the first sliding groove 211 is preferably 13 ° to 17 °, that is, the distance between the end of the second sliding rail 221, which is close to the cavity, and the second module 3 is smaller than the distance between the end of the second sliding rail 221, which is close to the first row seat 41, and the second module 3 along the mold opening and closing direction L1 of the injection mold 100. More preferably, the angle between the extending direction of the second sliding rail 221 and the extending direction of the first sliding groove 211 is preferably 15 °.
The second row insert 44 is provided with a second molding portion 443 on an end surface facing the cavity, and the second molding portion 443 is used for molding a second undercut or a second depression of the product 10 for the first time. The second molding portion 443 is disposed along the extending direction cavity of the second slide rail 221 such that the demolding direction of the second molding portion 443 is consistent with the extending direction of the second slide rail 221, thereby ensuring that the second molding portion 443 can be properly demolded. It can be seen that the movement of the second row insert 44 is controlled by the cooperation between the first row seat 41 and the first module 2, wherein the inclination directions of the second sliding rail 221 and the third sliding groove 442 can be set correspondingly according to the actual demolding direction of the second row insert 44, so that the first row seat 41 can drive the second row insert 44 to slide along the correct direction. The first slide rail 411 is used for providing a driving force for sliding the second slide insert 44, reducing the resistance force applied when the second slide insert 44 slides, ensuring the smoothness of sliding the second slide insert 44, and further ensuring the reliability of the injection mold 100 when opening and closing the mold. In addition, the installation position of the second slide rail 221 may be changed accordingly according to the internal space of the injection mold 100, for example, the second slide rail 221 is disposed on the first mold plate 21.
Further, as shown in fig. 10, the injection mold 100 further includes a row position lock 8, where the row position lock 8 is used to lock and limit the first row position seat 41, so as to ensure that the first row position insert 43 and the second row position insert 44 can be accurately aligned when the injection mold 100 is in a mold-closing state, and also prevent the first row position seat 41 from moving beyond a designed limit position during the mold opening and closing process of the injection mold 100. Specifically, the slide lock 8 is mounted on the wear block 212 of the first die plate 21, and the locking portion of the slide lock 8 is disposed toward the first slide seat 41. And two limiting grooves 413 are disposed on the surface of the first row seat 41 facing the first template 21, the two limiting grooves 413 are distributed along the sliding direction of the first row seat 41, and the locking portion of the row position lock 8 can be engaged with one of the two limiting grooves 413.
Referring to fig. 11 to 13, the second slide mechanism 5 includes a second slide block 51, a second diagonal guide 52, and a third slide insert 53. The second row of seats 51 is slidably connected to the first mold plate 21, the second row of seats 51 is movable relative to the mold cavity, and the second row of seats 51 and the first row of seats 41 are respectively located on opposite sides of the mold cavity, i.e. the first row of seats 41 and the second row of seats 51 are respectively located on opposite sides of the product 10. The second inclined guide rod 52 is slidably connected to the second row seat 51, and the second inclined guide rod 52 drives the second row seat 51 to slide.
Specifically, the first mold plate 21 is further provided with a fourth chute 213, the fourth chute 213 extends toward the cavity, the fourth chute 213 and the first chute 211 are respectively located at two opposite sides of the cavity, and the extending direction of the fourth chute 213 is parallel to the extending direction of the first chute 211. The second row seat 51 is provided with a second inclined guide hole 511, and the second inclined guide hole 511 is inclined to the first die plate 21, that is, the distance between the first end of the second inclined guide hole 511, which is close to the second die plate 31, and the die cavity is smaller than the distance between the end of the second inclined guide hole 511, which is close to the first die plate 21, and the die cavity. The second inclined guide rod 52 is slidably installed in the second inclined guide hole 511, thereby driving the second row seat 51 to slide along the fourth sliding groove 213.
The third row of position inserts 53 is located between the cavity and the second row of position seats 51, the third row of position inserts 53 is connected with the second row of position seats 51, and the second row of position seats 51 can drive the third row of position inserts 53 to move towards the cavity along the third direction L4. In the present embodiment, the third row of inserts 53 is preferably fixedly connected to the second row of seats 51, and a third molding portion 531 is disposed on an end surface of the third row of inserts 53 facing the cavity, and the third molding portion 531 is used for molding a third undercut or a third depression on the second side of the product 10. The extending direction of the third molding part 531 is parallel to the extending direction of the fourth chute 213, so that the third molding part 531 can be properly demolded when the third row insert 53 moves along with the second row seat 51. Of course, the third row insert 53 may be configured to have a connection structure similar to the connection structure of the second row insert 44 according to the actual inverted or depressed structure of the product 10, that is, the third row insert 53 is slidably connected to the second row seat 51 through a connection structure of a chute and a slide rail, and the third row insert 53 is slidably connected to the first module 2 through the connection structure of the chute and the slide rail. The inclination direction of the sliding groove and the sliding rail is adaptively set according to the actual inverted or sunken structure of the product 10, so that the structure of the part is not specifically illustrated.
In summary, according to the invention, through the structural design of the first positioning mechanism 4 of the injection mold 100, the first positioning seat 41 of the first positioning mechanism 4 can drive the first positioning insert 43 and the second positioning insert 44 to move simultaneously, and the first positioning insert 43 and the second positioning insert 44 are controlled to move along two different directions respectively through the cooperation between the first positioning seat 41 and the first mold set 2, so that the first positioning mechanism 4 can mold and demold the inverted buckles or the depressions in two different directions on the same side of the product 10 simultaneously. In addition, through the structural design of the first positioning mechanism 4, the synchronism of the first positioning insert 43 and the second positioning insert 44 during demolding can be effectively guaranteed, the space occupied by the first positioning mechanism 4 can be effectively reduced, the size of the injection mold 100 is reduced, and the design difficulty of the injection mold 100 is reduced.
Second embodiment of injection mold:
The inventive concept of the first embodiment of an injection mold is applied, and the second embodiment of an injection mold is different from the first embodiment in that:
The first row of inserts is slidably connected with the first row of seats, and the first row of inserts is slidably connected with the first module. Specifically, the first nest structure may be configured to have a similar connection structure to the connection structure of the second nest structure according to the actual inverted or depressed structure of the product 10, that is, the first nest structure is slidably connected to the first nest structure through a connection structure of a chute and a slide rail, and the first nest structure is slidably connected to the first module through a connection structure of a chute and a slide rail. The inclination direction of the sliding groove and the sliding rail is adaptively set according to the actual inverted or sunken structure of the product 10, so that the structure of the part is not specifically illustrated.
Of course, the first direction of the present embodiment may be parallel to the extending direction of the first chute, or may be disposed opposite to the extending direction of the first chute.
Third embodiment of injection mold:
The inventive concept of the first embodiment or the second embodiment of the injection mold is applied, and the third embodiment of the injection mold is different from the first embodiment or the second embodiment in that:
the first row of positioning mechanisms also includes a fourth row of positioning inserts. The fourth row of position inserts are positioned between the cavity and the first row of position seats, the fourth row of position inserts are slidably connected with the first row of position seats, and the fourth row of position inserts are slidably connected with the first module. The first row of seats can drive the fourth row of inserts to move towards the die cavity along the fourth direction.
Specifically, the fourth row insert may be configured to have a connection structure similar to the connection structure of the second row insert according to the actual inverted or depressed structure of the product 10, that is, the fourth row insert may be slidably connected to the first row seat through a connection structure of a chute and a slide rail, and the fourth row insert may be slidably connected to the first module through a connection structure of a chute and a slide rail. The inclination direction of the sliding groove and the sliding rail is adaptively set according to the actual inverted or sunken structure of the product 10, so that the structure of the part is not specifically illustrated.
The fourth direction is preferably provided in an opposite direction to the first direction and the second direction, respectively, but the fourth direction may be provided in the same direction as one of the first direction and the second direction, and the other of the first direction and the second direction may be provided in an opposite direction. Thereby enabling the molding and demolding of more than two undercuts, more than two depressions, or a combination of more than two undercuts and depressions on the same side of the product 10 by the first nest.
Fourth embodiment of injection mold:
The inventive concept of applying the first, second, or third embodiments of an injection mold, the fourth embodiment of an injection mold differs from the first, second, or third embodiments in that:
The first guide rail is disposed on the front mold base plate, and the first mold plate of the first mold set and the second mold plate of the second mold set are slidably connected with the first guide post 311, respectively.
In addition, the first module in the first embodiment, the second embodiment or the third embodiment is defined as a rear mold, the second module is defined as a front mold, and the first diagonal guide bar and the second diagonal guide bar are both fixedly connected with the second module, i.e. connected with the front mold frame, because the first line-positioning mechanism and the second line-positioning mechanism are both connected with the first module, i.e. connected with the rear mold.
In the present embodiment, the first module is defined as a front mold and the second module is defined as a rear mold, so that the defined positions of the first module and the second module in the present embodiment are exchanged with the defined positions of the first module and the second module in the first embodiment, the second embodiment or the third embodiment, that is, the first positioning mechanism and the second positioning mechanism in the present embodiment are both disposed on the front mold, and the first diagonal guide and the second diagonal guide in the present embodiment are both disposed to be connected with the front mold frame bottom plate. The connection relationship between the front mold (first module) and other mechanisms, and the connection relationship between the rear mold (second module) and other mechanisms also correspond to those of the first, second or third embodiments, and the connection relationship between the rear mold and other mechanisms, and therefore, redundant description thereof is omitted herein.
Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the invention, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the invention, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the invention.
Claims (7)
1. An injection mold comprising
The first module comprises a first template and a first die core fixedly arranged on the first template;
the second module comprises a second template and a second die core fixedly arranged on the second template, and the first module and the second module can move in opposite directions along the opening and closing direction of the injection mold, so that a cavity is formed between the first die core and the second die core in a surrounding manner;
The first slide mechanism comprises a first slide seat and a first inclined guide rod, the first slide seat is slidably connected with the first template, the first slide seat can move relative to the cavity, the first inclined guide rod is slidably connected with the first slide seat, and the first inclined guide rod drives the first slide seat to slide;
The first positioning mechanism is characterized by further comprising:
The first line position insert is positioned between the cavity and the first line position seat, the first line position insert is connected with the first line position seat, and the first line position seat can drive the first line position insert to move towards the cavity along a first direction;
the second line position insert is positioned between the cavity and the first line position seat, the second line position insert is respectively and slidably connected with the first line position seat and the first module, the first line position seat can drive the second line position insert to move towards the cavity along a second direction, and the second direction and the first direction are arranged in an opposite direction;
the first row of position inserts are fixedly arranged on the first row of position seats, and the first row of position inserts are respectively connected with the first row of position seats and the first module in a sliding manner;
The injection mold also comprises a second slide mechanism, wherein the second slide mechanism comprises:
The second row of position seats are slidably connected with the first template, the second row of position seats can move relative to the cavity, and the second row of position seats and the first row of position seats are respectively positioned on two opposite sides of the cavity;
the second inclined guide rod is slidably connected with the second row seat and drives the second row seat to slide;
the third-row position insert is positioned between the cavity and the second-row position seat, the third-row position insert is connected with the second-row position seat, and the second-row position seat can drive the third-row position insert to move towards the cavity along a third direction.
2. An injection mold according to claim 1, characterized in that:
The first die plate is provided with a first chute, the first chute is arranged towards the die cavity, the extending direction of the first chute is perpendicular to the die opening and closing direction, and the first row of seat is slidably arranged in the first chute;
the first molding part is arranged on the end face of the first row insert, which faces the cavity, and the first molding part is arranged along the extending direction of the first sliding groove, which faces the cavity, and the first direction is parallel to the extending direction of the first sliding groove.
3. An injection mold according to claim 2, characterized in that:
A first slide rail is arranged on the first row of seats;
the second slide rail is slidably arranged in the second slide groove, and the second slide insert is provided with a third slide groove;
the first die core or the first die plate is provided with a second sliding rail, an included angle between the extending direction of the second sliding rail and the extending direction of the first sliding groove is 13-17 degrees, and the distance between one end, close to the die cavity, of the second sliding rail and the second die set is smaller than the distance between one end, close to the first line seat, of the second sliding rail and the second die set along the die opening and closing direction, and the second sliding rail is slidably arranged in the third sliding groove;
the end face of the second slide rail, which faces the cavity, is provided with a second forming part, and the second forming part is arranged towards the cavity along the extending direction of the second slide rail.
4. An injection mold according to claim 3, characterized in that:
The included angle between the extending direction of the second sliding rail and the extending direction of the first sliding groove is 15 degrees.
5. The injection mold according to any one of claims 1 to 4, wherein:
The injection mold further comprises a line position lock, wherein the line position lock is arranged on the first template, and a locking part of the line position lock is arranged towards the first line position seat;
The first line seat is provided with two limit grooves towards one face of the first template, the two limit grooves are distributed along the sliding direction of the first line seat, and the locking part of the line lock can be clamped with one of the two limit grooves.
6. The injection mold of claim 5, wherein:
The number of the first line position mechanism, the second line position mechanism, the first die core and the second die core is two respectively;
the first template is a rear template, and the first die core is a rear die core;
The second template is a front template, the second die core is a front die core, and the first inclined guide rod and the second inclined guide rod are respectively and fixedly connected with the second template.
7. The injection mold of claim 6, wherein:
the first positioning mechanism further comprises a fourth positioning insert, the fourth positioning insert is located between the cavity and the first positioning seat, the fourth positioning insert is respectively and slidably connected with the first positioning seat and the first module, and the first positioning seat can drive the fourth positioning insert to move towards the cavity along a fourth direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182470.7A CN109719908B (en) | 2019-03-11 | 2019-03-11 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182470.7A CN109719908B (en) | 2019-03-11 | 2019-03-11 | Injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109719908A CN109719908A (en) | 2019-05-07 |
| CN109719908B true CN109719908B (en) | 2024-05-03 |
Family
ID=66302202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910182470.7A Active CN109719908B (en) | 2019-03-11 | 2019-03-11 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109719908B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370579B (en) * | 2019-08-26 | 2024-05-14 | 李代坤 | Injection mold core pulling mechanism and injection mold |
| CN114523629A (en) * | 2022-02-25 | 2022-05-24 | 中山妮德新电器有限公司 | Heater shell mold |
| CN114734586A (en) * | 2022-03-11 | 2022-07-12 | 精英模具（珠海）有限公司 | Anti-friction burning structure of injection mold |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06143341A (en) * | 1992-11-10 | 1994-05-24 | Japan Steel Works Ltd:The | Injection molding method of molded article having three layer structure and mold thereof |
| DE10302248B3 (en) * | 2003-01-22 | 2004-06-24 | Merit Precision Tools Limited | Mold, for injection molding of thermosetting plastics components with cut-back sections, has a structured mold insert with a longitudinal sliding movement using parallel guides at the under side |
| CN105415600A (en) * | 2015-12-08 | 2016-03-23 | 深圳天珑无线科技有限公司 | Double-shot molding mold |
| CN205326172U (en) * | 2015-12-08 | 2016-06-22 | 深圳天珑无线科技有限公司 | Double -shot injection mould |
| CN206999508U (en) * | 2017-06-30 | 2018-02-13 | 深圳市恒兴昌模具科技有限公司 | A kind of whole circle back-off mould of product |
| CN207509637U (en) * | 2017-11-28 | 2018-06-19 | 汕头市柏达塑胶有限公司 | A kind of unblock button fixed seat mold |
| CN108582689A (en) * | 2018-05-23 | 2018-09-28 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of injection mold with diagonal position and multiposition oblique top |
| CN209832484U (en) * | 2019-03-11 | 2019-12-24 | 珠海市春生五金工业有限公司 | Injection mould |
-
2019
- 2019-03-11 CN CN201910182470.7A patent/CN109719908B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06143341A (en) * | 1992-11-10 | 1994-05-24 | Japan Steel Works Ltd:The | Injection molding method of molded article having three layer structure and mold thereof |
| DE10302248B3 (en) * | 2003-01-22 | 2004-06-24 | Merit Precision Tools Limited | Mold, for injection molding of thermosetting plastics components with cut-back sections, has a structured mold insert with a longitudinal sliding movement using parallel guides at the under side |
| CN105415600A (en) * | 2015-12-08 | 2016-03-23 | 深圳天珑无线科技有限公司 | Double-shot molding mold |
| CN205326172U (en) * | 2015-12-08 | 2016-06-22 | 深圳天珑无线科技有限公司 | Double -shot injection mould |
| CN206999508U (en) * | 2017-06-30 | 2018-02-13 | 深圳市恒兴昌模具科技有限公司 | A kind of whole circle back-off mould of product |
| CN207509637U (en) * | 2017-11-28 | 2018-06-19 | 汕头市柏达塑胶有限公司 | A kind of unblock button fixed seat mold |
| CN108582689A (en) * | 2018-05-23 | 2018-09-28 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of injection mold with diagonal position and multiposition oblique top |
| CN209832484U (en) * | 2019-03-11 | 2019-12-24 | 珠海市春生五金工业有限公司 | Injection mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109719908A (en) | 2019-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109719908B (en) | Injection mold | |
| CN108943608B (en) | Die and die opening method thereof | |
| CN109968610B (en) | Slide block core pulling mechanism, mold and mold opening method of mold | |
| KR100787195B1 (en) | Slide driving structure of injection molding die | |
| US20120177774A1 (en) | Ejector retraction mechanism | |
| US10207441B2 (en) | Molding die and die-exchanging method | |
| WO2012141488A2 (en) | Integrated slide for a mould | |
| KR101345552B1 (en) | Ejecting apparatus of a molded product by multi-stage mold in injection molding machine | |
| KR100814928B1 (en) | Die assembly | |
| JP4678228B2 (en) | Mold equipment | |
| CN209832484U (en) | Injection mould | |
| US20110280985A1 (en) | Ejector retraction mechanism | |
| CN205291439U (en) | Injection mold | |
| KR200450293Y1 (en) | Holding device of insert material for mold assembly | |
| EP2073969A1 (en) | Mold for injection molding and molding method using the same | |
| JP4336449B2 (en) | Injection molding equipment | |
| JPS5954507A (en) | Metallic mold | |
| CN112829224A (en) | Injection mold and injection molding method for injection molding product with inclined handle | |
| CN220242268U (en) | Conversion slider large-angle mold core pulling mechanism | |
| KR100787197B1 (en) | Die assembly | |
| JP6699138B2 (en) | Resin mold | |
| CN112277265B (en) | Injection mold and injection molding method | |
| CN218519118U (en) | Injection mold capable of preventing dragging of side wall of product | |
| CN210308832U (en) | Die set | |
| CN214773719U (en) | Injection mold of injection molding product with inclined handle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |