CN111136880B - Injection mold of deep cavity shell - Google Patents
Injection mold of deep cavity shell Download PDFInfo
- Publication number
- CN111136880B CN111136880B CN202010072964.2A CN202010072964A CN111136880B CN 111136880 B CN111136880 B CN 111136880B CN 202010072964 A CN202010072964 A CN 202010072964A CN 111136880 B CN111136880 B CN 111136880B
- Authority
- CN
- China
- Prior art keywords
- movable
- fixed die
- fixed
- mold
- die
- 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 34
- 239000007924 injection Substances 0.000 title claims abstract description 34
- 238000001746 injection moulding Methods 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000009966 trimming Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 8
- 239000000243 solution Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7337—Heating or cooling of the mould using gas or steam
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides an injection mold of a deep cavity shell, which comprises the following components: the fixed die assembly comprises a fixed die core and a fixed die insert, and the fixed die insert is arranged on the fixed die core and surrounds the fixed die core to form an injection molding groove; the movable die assembly is connected to the fixed die assembly and comprises a movable die core which extends into the injection molding groove and surrounds the groove wall of the injection molding groove to form a cavity; wherein, the cover half benevolence integrated into one piece. In the invention, the fixed die core has good integrity, can be kept stable in the injection molding process, is used for molding the side wall of the middle barrel of the router shell, and has no section level difference because the fixed die core is integral, thereby avoiding the procedure of section level die trimming on the product after die stripping, and reducing the production cost and the labor intensity of workers.
Description
Technical Field
The invention relates to the field of injection molds, in particular to an injection mold of a deep cavity shell.
Background
The deep cavity appearance small-angle shell has attractive appearance, is very convenient to carry and place, and is widely applied in practice. In the prior art, an injection mold of a deep cavity shell (such as a middle barrel router) is formed by mutually splicing four modules to form a cavity, a parting line is formed at a splicing position easily, the size of the module forming the cavity is large, the phenomenon of splicing instability is easy to occur, longitudinal section difference exists at the parting line, the part with the longitudinal section difference needs to be repeatedly repaired after demolding, the processing cost of a product after demolding is too high, and the technical scheme of splicing the four modules to form the cavity cannot be overcome all the time.
Disclosure of Invention
The invention mainly aims to provide an injection mold of a deep cavity shell, and aims to solve the problems that in the prior art, longitudinal section difference exists at a parting line of the deep cavity shell (such as a middle barrel router), repeated mold repair is needed to be carried out on the part with the longitudinal section difference, good appearance is obtained, and the treatment cost is too high.
In order to achieve the above object, the present invention provides an injection mold of a deep cavity housing, the injection mold of the deep cavity housing comprising:
the fixed die assembly comprises a fixed die core and a fixed die insert, and the fixed die insert is arranged on the fixed die core and surrounds the fixed die core to form an injection molding groove;
The movable die assembly is connected to the fixed die assembly and comprises a movable die core, and the movable die core stretches into the injection molding groove to form a cavity with the groove wall of the injection molding groove;
wherein, the cover half benevolence integrated into one piece.
Optionally, the fixed die assembly further comprises a fixed die fixing plate and a fixed die side plate, the fixed die core is installed in the fixed die side plate, the fixed die fixing plate is movably connected to one end of the fixed die side plate, which is away from the movable die assembly, and the fixed die insert is fixed on the fixed die fixing plate and extends into the fixed die core partially or completely.
Optionally, the movable mould assembly further comprises a movable mould side plate, a movable mould side push plate, a push plate mould core and an inclined top part, wherein the inclined top part of the inclined top part stretches into the cavity, the movable mould side push plate is movably mounted on the movable mould side plate and is abutted to the fixed mould side plate, and the push plate mould core is fixed on the movable mould side push plate and is abutted to the fixed mould core.
Optionally, the movable mould assembly further comprises a guide rod, a guide hole is formed in the movable mould side plate, and the guide rod penetrates through the guide hole to form clearance fit.
Optionally, the injection mold of dark chamber casing still includes the buckle, be equipped with slide rail on the movable mould curb plate, be equipped with the spring in the slide rail, the buckle is followed slide rail slides, when the end of buckle slides to the position of spring, the spring will the buckle pops out slide rail.
Optionally, the injection mold of the deep cavity shell further comprises a reset driving piece, the reset driving piece is installed on the side plate of the movable mold, and an output shaft of the reset driving piece is fixed with the side pushing plate of the movable mold.
Optionally, the fixed die core and the movable die core have a die opening state, in the die opening state, the movable die core is far away from the positioning insert, and the plastic product in the cavity is self-contracted to be separated from the inner wall of the fixed die core.
Optionally, the injection mold of the deep cavity shell further comprises an air cooling assembly, wherein the inclined top part is provided with air holes, and in the mold opening state, the air cooling assembly blows air flow into the air holes to accelerate cooling of the plastic product.
Optionally, the cavity surface and the vertical surface of the movable mold core form a demolding angle, and the demolding angle is in the range of 0-5 degrees.
Optionally, a runner is arranged in the fixed die insert, and the runner is communicated with the cavity.
Optionally, the injection mold of the deep cavity shell further comprises an ejector plate and an ejector rod, and the ejector rod passes through the ejector plate and is abutted with the movable mold assembly so as to push the movable mold assembly.
According to the technical scheme, an injection mold of the deep cavity shell is divided into a fixed mold assembly and a movable mold assembly, wherein the fixed mold assembly comprises a fixed mold core and a fixed mold insert, the fixed mold insert is arranged on the fixed mold core and surrounds the fixed mold core to form an injection molding groove, the movable mold assembly is connected to the fixed mold assembly, the movable mold assembly comprises a movable mold core, the movable mold core extends into the injection molding groove and surrounds the groove wall of the injection molding groove to form a cavity, the fixed mold core is integrally formed, good integrity is achieved, stability can be kept in an injection molding process, and in a specific implementation, the fixed mold core is used for forming the side wall of the middle cylinder of the router shell, and due to the fact that the fixed mold core is integrally complete, a section position difference does not exist on the surface of the middle cylinder of the router shell, so that a section position trimming process is carried out on a product after the product is avoided, and production cost and labor intensity of workers are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an injection mold of a deep cavity housing according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural view of an injection mold of the deep cavity shell in an open state;
FIG. 4 is a schematic view showing the separation of the fixed mold assembly and the movable mold assembly in the injection mold of the deep cavity housing of the present invention;
Reference numerals illustrate:
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 11 | Fixed die fixing plate | 25 | Push plate die core |
| 12 | Side plate of fixed die | 30 | Pitched roof component |
| 13 | Fixed die insert | 40 | Ejector plate |
| 14 | Fixed die core | 50 | Movable mould fixing plate |
| 21 | Side pushing plate of movable mould | 60 | Reset driving piece |
| 22 | Side plate of movable mould | 70 | Ejector rod |
| 23 | Movable mould core | 71 | Injection molding groove |
| 24 | Guide rod | 80 | Plastic product |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
As shown in fig. 1 and 2, to achieve the above object, the present invention provides an injection mold for a deep cavity housing, the injection mold for the deep cavity housing includes: the fixed die assembly comprises a fixed die core 14 and a fixed die insert 13, wherein the fixed die insert 13 is arranged on the fixed die core 14 and surrounds the fixed die core 14 to form an injection molding groove 71; the movable die assembly is connected to the fixed die assembly and comprises a movable die core 23, and the movable die core 23 extends into the injection molding groove 71 and forms a cavity with the surrounding of the groove wall of the injection molding groove 71; wherein, the fixed die core 14 is integrally formed.
In this embodiment, the deep cavity housing refers to a housing having a cavity with a long depth, and an external surface of the housing has a small angle from the vertical, for example, a housing of a middle barrel type router. Taking a middle cylinder type router shell as an example, the router shell is molded in a cavity, the cavity is formed by encircling a fixed die insert 14, a fixed die insert 13 and a movable die insert 23, wherein an injection molding groove 71 formed by encircling the fixed die insert 13 and the fixed die insert 14 is formed on a fixed die assembly, the movable die insert 23 is inserted into the injection molding groove 71 from a notch of the injection molding groove 71, and a notch of the injection molding groove 71 is blocked, so that a closed cavity (not labeled in the figure) is formed. The fixed die core 14 is integrally formed, has good integrity, can keep stable in the injection molding process, and in a specific embodiment, the cavity is used for forming the router shell, and the integral integrity of the fixed die core 14 ensures that the forming and the demolding are good in stability, so that the section level difference cannot exist on the surface of the middle barrel of the router shell, the step of section trimming of a product after demolding is avoided, and the production cost and the labor intensity of workers are reduced.
In a further implementation, as shown in fig. 2, the side wall of the middle cylinder is attached to the inner wall of the fixed mold insert 14 for molding, and the bottom surface is attached to the fixed mold insert 13 for molding, so that the connection position of the fixed mold insert 13 and the fixed mold insert 14 just corresponds to the connection position of the side wall of the middle cylinder and the bottom surface, after demolding, the parting line is positioned at the connection position of the side wall of the middle cylinder and the bottom surface, the parting line and the transverse section difference are not formed on the surface of the side wall of the middle cylinder and the bottom surface, and the appearance of the router is ensured and the router is more convenient to process.
The fixed die assembly further comprises a fixed die fixing plate 11 and a fixed die side plate 12, the fixed die core 14 is arranged in the fixed die side plate 12, the fixed die fixing plate 11 is movably connected to one end of the fixed die side plate 12, which is far away from the movable die assembly, and the fixed die insert 13 is fixed on the fixed die fixing plate 11 and extends into the fixed die core 14 partially or completely.
The injection mold of the deep cavity shell is arranged on the injection molding machine, the injection molding machine controls the mold closing and opening of the fixed mold assembly and the movable mold assembly, one end of the fixed mold side plate 12 is connected with the movable mold assembly, the other end of the fixed mold side plate is connected with the fixed mold fixing plate 11, the fixed mold fixing plate 11 is movably connected with the fixed mold side plate 12, and under the driving of the injection molding machine, the fixed mold fixing plate 11 can perform lifting movement to approach or depart from the fixed mold side plate 12, so that the mold closing or opening is realized. In this embodiment, the fixed mold insert 14 is installed in the fixed mold side plate 12, the fixed mold insert 13 is installed on the fixed mold fixing plate 11, part or all of the fixed mold insert 13 extends into the fixed mold insert 14 to form an injection molding groove 71 around the fixed mold insert 14, and the movable mold insert 23 is inserted into the injection molding groove 71 from the notch of the injection molding groove 71 and seals the notch of the injection molding groove 71, thereby forming a closed cavity. The fixed mould insert 13 is provided with a runner which is communicated with the cavity, and the injection molding machine injects injection molding liquid into the cavity from the runner.
The movable die assembly further comprises a movable die side plate 22, a movable die side push plate 21, a push plate die core 25 and an inclined top part 30, wherein the inclined top part of the inclined top part 30 stretches into the cavity, the movable die side push plate 21 is movably mounted on the movable die side plate 22 and is abutted with the fixed die side plate 12, and the push plate die core 25 is fixed on the movable die side push plate 21 and is abutted with the fixed die core 14.
In an embodiment, the movable mold side pushing plate 21 is located between the fixed mold side plate 12 and the movable mold side pushing plate 21, the movable mold side pushing plate 21 is movably mounted on the movable mold side plate 22, and the movable mold side pushing plate 21 can be lifted relative to the movable mold side plate 22 under the pushing of the injection molding machine, so as to realize mold closing or mold opening. The push plate die core 25 is fixed on the movable die side push plate 21 and is abutted with the fixed die core 14, the fixed die core 14 is supported, the stability of the fixed die core 14 is ensured, the push plate die core 25 is provided with a through hole, one end of the movable die core 23 is fixed on the movable die side plate 22, the other end of the movable die core passes through the through hole to enter the injection molding groove 71, the inclined top part of the inclined top part 30 is positioned at the notch of the injection molding groove 71, and the notch of the injection molding groove 71 is plugged together with the movable die core 23 to form a cavity. When the mold is opened, the inclined top part of the inclined top part 30 pushes the plastic product 80, and the plastic product 80 is separated from the surface of the movable mold core 23 under the action force of the inclined top part.
The fixed mold core 14 and the movable mold core 23 have an open mold state, in the open mold state, the movable mold core 23 is far away from the fixed mold insert 13 (the movable mold core 23 partially exits the injection groove 71 for a certain distance, the movable mold core 23 is separated from the fixed mold core 14 by opening the mold, and a space is provided for separating the plastic product 80 from the inner wall of the fixed mold core 14 and then attaching the inner wall of the fixed mold core 14 to the surface of the movable mold core 23), and the plastic product 80 positioned in the cavity is ejected from the surface of the movable mold core 23 after being ejected by the inclined ejection part 30, so that the plastic product 80 is ejected. In the mold opening process, the plastic product 80 automatically contracts radially in the cooling process to separate from the inner wall of the fixed mold core 14, so that a gap is formed between the plastic product 80 and the inner wall of the fixed mold core 14, interference between the plastic product 80 and the inner wall of the fixed mold core 14 is avoided due to the existence of the gap in the further mold opening process, the surface of the plastic product 80 is smooth, and the phenomenon that scratches are generated when the plastic product 80 is pulled by a mold is avoided.
The injection mold of the deep cavity shell further comprises an air cooling component (not labeled in the figure), the inclined top part 30 is provided with air holes (not labeled in the figure), and in the mold opening state, the air cooling component blows air flow into the air holes to accelerate cooling of the plastic product.
It will be appreciated that the air flow may be nitrogen, natural wind, or dedicated cold air to accelerate cooling of the plastic product 80.
The cavity surface and the vertical surface of the movable mold core 23 form a demolding angle, and the demolding angle is in the range of 0-5 degrees.
In this embodiment, the demolding angle is in the range of 0 ° to 5 °, and any angle value in the range may be used, for example, 1 °,2 °. The demoulding angle is the included angle between the cavity surface of the movable mould core 23 (namely the inner wall of the plastic product 80) and the vertical surface, so as to ensure the design requirement of the router shell on the demoulding angle.
As an embodiment, the movable mold assembly further includes a guide rod 24, the guide rod 24 is fixed on the movable mold side pushing plate 21, a guide hole (not labeled in the drawing) is formed on the movable mold side plate 22, and the guide rod 24 is inserted into the guide hole to form a clearance fit.
Because the movable mould side push plate 21 is pushed by the injection molding machine to perform lifting movement, in order to ensure the lifting stability of the movable mould side plate 22, a guide rod 24 is fixedly installed on the movable mould side push plate 21, the guide rod 24 extends towards the movable mould side plate 22, a guide hole is formed in the movable mould side plate 22, the guide rod 24 is in clearance fit with the guide hole, and when the injection molding machine pushes the movable mould side push plate 21, the guide rod 24 slides in the guide hole, so that the lifting path of the movable mould side push plate 21 is accurately controllable, and the stability of mould opening is ensured.
The injection mold of the deep cavity shell further comprises an ejector pin plate 40 and an ejector pin 70, wherein the ejector pin 70 passes through the ejector pin plate 40 and is abutted with the movable mold assembly so as to push the movable mold assembly.
In this embodiment, the ejector pin 70 passes through the ejector pin plate 40 to be abutted against the movable mold assembly, the injection mold of the router further comprises a movable mold fixing plate 50, the ejector pin plate 40 is arranged on the movable mold fixing plate 50, the movable mold fixing plate 50 is fixed on a movable mold plate (not labeled in the drawing) of the injection molding machine, the fixed mold fixing plate 11 is fixed on a fixed mold plate (not labeled in the drawing) of the injection molding machine, the power of the ejector pin 70 is provided by the injection molding machine, the injection molding machine pushes the ejector pin 70 to move, and the movable mold assembly rises to enter the mold opening state. In order to ensure the stability of die opening, the separation of the movable die assembly and the fixed die assembly is coaxial line separation.
In the fixed mold assembly, as shown in fig. 3, the fixed mold fixing plate 11 and the fixed mold side plate 12 are separated by a distance S1 (driven by the fixed mold plate of the injection molding machine), and the fixed mold insert 13 is fixed on the fixed mold fixing plate 11, so that the fixed mold insert 13 is also separated from the plastic product 80 by a distance S2 (s1=s2). In a specific implementation, the ejector pin 70 is connected to the movable-mold-side push plate 21, and the movable-mold-side push plate 21 is lifted by a distance S3 by pushing the injection molding machine, and the movable mold insert 23 is fixed on the movable-mold side plate 22 and cannot move along with the movable-mold-side push plate 21, so that the movable mold insert 23 slides by a distance S4 relative to the plastic product 80, and the ejector pin plate 40 is lifted by a distance S5 relative to the movable-mold fixing plate 50 (s3=s4=s5). In this process, due to the existence of the demolding angle, the inner surface of the plastic product 80 is separated from the movable mold core 23, at this time, radial shrinkage occurs during the cooling process of the plastic product 80, so that the outer surface of the plastic product 80 is separated from the inner wall of the fixed mold core 14, and after the plastic product 80 is shrunk, the inner surface of the plastic product 80 is attached to the cavity surface of the movable mold core 23 again, so that a certain gap exists between the plastic product 80 and the inner wall of the fixed mold core 14. To further accelerate the cooling of the workpiece, after the movable mold side push plate 21 rises by a distance S3, the air cooling assembly blows air flow into the injection molding groove to accelerate cooling of the plastic product.
Specifically, during the process of pushing the movable mold assembly to rise by the ejector rod 70, the connection between the movable mold side pushing plate 21 and the fixed mold side plate 12 is kept unchanged, and after the movable mold assembly is lifted, the movable mold side pushing plate 21 is separated from the fixed mold side plate 12, and the injection molding machine drives the fixed mold assembly to rise to a height sufficient to take out the plastic product 80 (as shown in fig. 4). The connection and separation of the movable mold side push plate 21 and the fixed mold side plate 12 are controlled by a buckle (not shown in the figure), the buckle is fixed on the fixed mold side plate 12, a first guide rod (not shown in the figure) and a second guide rod (not shown in the figure) are fixedly installed on the movable mold side plate 22, the first guide rod and the second guide rod form a sliding guide rail, the buckle slides along the sliding guide rail, and a spring (not shown in the figure) is arranged in the sliding guide rail and can be positioned on the first guide rod and/or the second guide rod. The first guide rod and/or the second guide rod is/are provided with an inclined plane at a position corresponding to the spring, the tail end of the buckle is provided with a notch, when the notch slides to the position of the spring, the spring is changed from a compressed state to a free state, and the buckle is ejected from the inclined plane, so that the movable die side push plate 21 is separated from the fixed die side plate 12. Here, the distance by which the clasp hands slide in the slide rail is equal to the rising distance S3 of the movable mold side push plate 21, which can be set according to the specific specification of the router housing.
In an embodiment, the injection mold of the deep cavity shell further includes a reset driving member 60, the reset driving member 60 is mounted on the movable mold side plate 22, and an output shaft of the reset driving member 60 is fixed with the movable mold side push plate 21.
The reset driving member 60 is used for resetting the movable mold assembly, in this embodiment, the reset driving member 60 may be an air cylinder, the cylinder body of the air cylinder is fixed on the movable mold side plate 22, the plunger (the output shaft of the reset driving member 60) is fixed on the movable mold side push plate 21, and after the plastic product 80 is ejected, the air cylinder drives the plunger to shrink so as to close the movable mold side push plate 21 and the movable mold side plate 22.
The foregoing description is only of the optional embodiments of the present invention, and is not intended to limit the scope of the invention, and all equivalent structural modifications made by the present description and accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (7)
1. An injection mold for a deep cavity housing, the injection mold comprising:
the fixed die assembly comprises a fixed die core and a fixed die insert, and the fixed die insert is arranged on the fixed die core and surrounds the fixed die core to form an injection molding groove;
The movable die assembly is connected to the fixed die assembly and comprises a movable die core, and the movable die core stretches into the injection molding groove to form a cavity with the groove wall of the injection molding groove;
Wherein the fixed die core is integrally formed;
The fixed die assembly further comprises a fixed die fixing plate and a fixed die side plate, the fixed die core is arranged in the fixed die side plate, the fixed die fixing plate is movably connected to one end of the fixed die side plate, which is far away from the movable die assembly, and the fixed die insert is fixed on the fixed die fixing plate and extends into the fixed die core partially or completely;
the movable die assembly further comprises a movable die side plate, a movable die side push plate, a push plate die core and an inclined top part, wherein the inclined top part of the inclined top part extends into the cavity, the movable die side push plate is movably arranged on the movable die side plate and is abutted to the fixed die side plate, and the push plate die core is fixed on the movable die side push plate and is abutted to the fixed die core;
The fixed die core and the movable die core have a die opening state, and in the die opening state, the movable die core is pulled away from the fixed die insert, and a plastic product in the die cavity automatically contracts to be separated from the inner wall of the fixed die core;
the injection mold of the deep cavity shell further comprises an ejector plate and an ejector rod, and the ejector rod penetrates through the ejector plate and is abutted with the movable mold assembly to push the movable mold assembly.
2. The injection mold of a deep cavity shell according to claim 1, wherein the movable mold assembly further comprises a guide rod, a guide hole is formed in the movable mold side plate, and the guide rod penetrates through the guide hole to form clearance fit.
3. The injection mold of a deep cavity housing according to claim 2, further comprising a clasp, wherein a sliding rail is provided on the movable mold side plate, a spring is provided in the sliding rail, the clasp slides along the sliding rail, and when the end of the clasp slides to the position of the spring, the spring ejects the clasp from the sliding rail.
4. The injection mold of a deep cavity housing according to claim 1, further comprising a reset drive member mounted on the movable mold side plate, an output shaft of the reset drive member being fixed to the movable mold side push plate.
5. The injection mold of a deep cavity housing according to claim 1, further comprising an air cooling assembly, wherein the angled roof has air holes formed therein, and wherein in the open state, the air cooling assembly blows air into the air holes to accelerate cooling of the plastic product.
6. The injection mold of a deep cavity shell according to claim 1, wherein the cavity surface of the movable mold insert and the vertical surface form a draft angle, and the draft angle is in the range of 0 ° to 5 °.
7. The injection mold of the deep cavity housing of claim 1, wherein a runner is provided in the stationary mold insert, the runner being in communication with the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010072964.2A CN111136880B (en) | 2020-01-21 | 2020-01-21 | Injection mold of deep cavity shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010072964.2A CN111136880B (en) | 2020-01-21 | 2020-01-21 | Injection mold of deep cavity shell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111136880A CN111136880A (en) | 2020-05-12 |
| CN111136880B true CN111136880B (en) | 2024-08-20 |
Family
ID=70526923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010072964.2A Active CN111136880B (en) | 2020-01-21 | 2020-01-21 | Injection mold of deep cavity shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111136880B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546576A (en) * | 2020-05-15 | 2020-08-18 | 邱松波 | Zero-degree demolding device and process for plastic injection molding product |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690669A (en) * | 2016-03-11 | 2016-06-22 | 太仓求精塑模有限公司 | Injection mold for manufacturing thin-wall and deep-cavity products |
| CN208962350U (en) * | 2018-09-21 | 2019-06-11 | 广东烨嘉光电科技股份有限公司 | A kind of injection mold convenient for heat dissipation |
| CN212072755U (en) * | 2020-01-21 | 2020-12-04 | 广东银宝山新科技有限公司 | Injection mold of deep cavity shell |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990023721U (en) * | 1997-12-08 | 1999-07-05 | 김영환 | Returning device for injection mold plate |
| JP2009248436A (en) * | 2008-04-04 | 2009-10-29 | Kasai Kogyo Co Ltd | Method for molding of foamed resin molded product, and molding mold |
| CN204546906U (en) * | 2015-01-27 | 2015-08-12 | 艾森文具用品（太仓）有限公司 | A kind of bilateral mold-closing injection mould |
| CN206140843U (en) * | 2016-10-31 | 2017-05-03 | 南京建勋塑胶模具有限公司 | Mould ejection mechanism and injection mold |
| CN209682824U (en) * | 2019-01-23 | 2019-11-26 | 广东烨嘉光电科技股份有限公司 | A kind of injection mold of high thrust |
-
2020
- 2020-01-21 CN CN202010072964.2A patent/CN111136880B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105690669A (en) * | 2016-03-11 | 2016-06-22 | 太仓求精塑模有限公司 | Injection mold for manufacturing thin-wall and deep-cavity products |
| CN208962350U (en) * | 2018-09-21 | 2019-06-11 | 广东烨嘉光电科技股份有限公司 | A kind of injection mold convenient for heat dissipation |
| CN212072755U (en) * | 2020-01-21 | 2020-12-04 | 广东银宝山新科技有限公司 | Injection mold of deep cavity shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111136880A (en) | 2020-05-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20070148278A1 (en) | Gas extraction structure for mold | |
| CN111136880B (en) | Injection mold of deep cavity shell | |
| CN212072755U (en) | Injection mold of deep cavity shell | |
| CN219634423U (en) | Support type plastic mould demoulding mechanism | |
| CN104802370A (en) | Mold of front mold ejection and demolding structure | |
| KR20160040964A (en) | Injetion mold having an under cut molded ring with consticting and expanding | |
| CN214324062U (en) | Demoulding mechanism for injection mould | |
| KR20200015294A (en) | Injection mold system improved in ejecting adhesive portion | |
| KR20050017224A (en) | Product push out structure of plastic injection molding apparatus | |
| CN210758890U (en) | Fan frame ejection forming die | |
| CN209599739U (en) | A kind of injection mold convenient for cylindric product stripping | |
| CN109435188B (en) | Core pulling mechanism of injection mold | |
| CN113276354A (en) | Quick-replaceable fresh-keeping box cover mould | |
| CN207088358U (en) | A kind of tripping mechanism and injection mold | |
| CN207120428U (en) | A kind of reverse buckle demolding mechanism | |
| KR100533599B1 (en) | Mold for insert in molding of cell phone LCD window | |
| CN109130101A (en) | A kind of simple preceding mould pitched roof mechanism injection mold | |
| CN213766931U (en) | Pump case injection mold | |
| CN106273255B (en) | A kind of injection mold | |
| CN211054289U (en) | Injection mold and shaft sleeve | |
| CN220808363U (en) | Exempt from to cut gluey injection mold | |
| CN220129408U (en) | Injection mold with secondary ejection and forced release functions | |
| CN109366882B (en) | A mould for making cup holder flip | |
| CN213321437U (en) | Plastic mold capable of preventing dust and scraps | |
| CN220883200U (en) | Injection mold for manufacturing threaded cap |
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 |