CN217021276U

CN217021276U - Die with automatic ejecting material head

Info

Publication number: CN217021276U
Application number: CN202220517990.6U
Authority: CN
Inventors: 刘洋
Original assignee: Kunshan Iskay Electronic Technology Co ltd
Current assignee: Kunshan Iskay Electronic Technology Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-07-22
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a die, in particular to a die with a material head capable of popping up automatically. The method comprises the following steps: the material pushing device comprises a fixed die assembly, a movable die assembly and the like, and is further provided with a material shifting plate, a plurality of groups of elastic assemblies are arranged on the material shifting plate, each group of elastic assemblies comprises an elastic part and an elastic pin, two ends of each elastic part respectively support the material shifting plate and the corresponding elastic pin so as to support the corresponding elastic pin towards the movable die assembly, and when the material shifting plate moves towards the direction far away from the movable die assembly, the elastic parts drive the elastic pins to pop up a material head. The utility model provides a mould of stub bar auto-eject, be provided with elastic component on the stub bar, elastic component includes elastic component and elastic pin, cooperation through elastic component and elastic pin makes stub bar auto-eject, thereby make the drawing of patterns simple, and mould cooperation precision is high, it is good to make product injection moulding, and is flawless, finished product dimensional tolerance and appearance requirement all reach and exceed the drawing requirement even, product volume production is stable, and the increase of area of contact is accompanied simultaneously, the shaping product atress is even during the drawing of patterns, can not harm the product.

Description

Die with automatic ejecting material head

Technical Field

The utility model relates to a die, in particular to a die with a material head capable of popping up automatically.

Background

In brief, the mold is a tool for manufacturing a molded article, the tool is composed of various parts, different molds are composed of different parts, the shape of the article is processed mainly by changing the physical state of the molded material, and the clamp is a device for fixing a processing object to a correct position in the mechanical manufacturing process to receive construction or detection, also called a clamp, and in a broad sense, any process in the process is used for quickly, conveniently and safely installing a workpiece, and is called a clamp.

During actual production, because stub bar length scheduling problem influence in the mould can make the stub bar even unable separation on the switch-plate, need manual separation usually this moment, can influence machining efficiency and increase operating personnel's burden.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a die with a simple structure, which can enable a stub bar to be automatically ejected.

In order to achieve the purpose, the utility model provides the following technical scheme:

a die for automatically ejecting a material head comprises:

the fixed die assembly comprises a fixed die base plate and a fixed die plate fixedly connected with the fixed die base plate, wherein a positioning ring penetrating through the fixed die base plate is arranged at the central position of the fixed die base plate, a pouring gate corresponding to the central position of the positioning ring and a fixed die groove part sunken from one side of the fixed die plate to the inside of the fixed die plate are arranged on the fixed die plate, the fixed die assembly also comprises a fixed die core accommodated in the fixed die groove part, and the fixed die core is fixed in the fixed die plate;

the movable die assembly comprises a movable die base plate, a gasket arranged on the movable die base plate, and a movable die plate fixedly connected with the gasket, wherein the gasket, the movable die base plate and the movable die plate together enclose an accommodating space, the movable die plate is provided with a movable die groove portion recessed from one side of the movable die plate to the inside of the movable die plate, the movable die assembly further comprises an ejection unit accommodated in the accommodating space and a movable die core accommodated in the movable die groove portion, and the fixed die core and the movable die core are matched to form a molding cavity;

the guide component comprises a guide post fixed on the fixed die base plate and a guide sleeve sleeved on the guide post,

the sprue is connected with a pouring pipeline, the pouring pipeline is provided with at least one stub bar, at least part of the stub bar extends into the molding cavity, a shifting plate is arranged at the middle position of the fixed die base plate and the concave part of the fixed die, the sprue is located at the central position of the shifting plate, a plurality of groups of elastic components are arranged on the shifting plate, each group of elastic components comprises an elastic piece and an elastic pin, two ends of the elastic piece respectively support the shifting plate and the elastic pin so as to support the elastic pin towards the direction of the movable die component, and when the shifting plate moves towards the direction far away from the direction of the movable die component, the elastic piece drives the elastic pin to pop up the stub bar.

Further, the mould also comprises at least one material grabbing needle, and the material grabbing needle and the material head are oppositely arranged in a one-to-one mode.

Furthermore, a lug is arranged at one end of the material grabbing needle close to the stub bar, a groove is arranged at one end of the stub bar close to the material grabbing needle, and the groove is matched with the lug.

Furthermore, a plurality of cover plate groove portions are formed in the material shifting plate and are recessed towards the inside of the moving die base plate from one side of the material shifting plate, a cover plate is contained in each cover plate groove portion, and the cover plates are connected with the elastic pieces.

Further, the elastic member is a spring.

Further, the at least two stub bars may extend into one of the molding cavities.

Further, the at least one stub bar may extend into the at least one molding cavity.

Furthermore, the ejection unit further comprises an ejector pin push plate close to the movable mould base plate and a push plate fixing plate fixedly connected with the ejector pin push plate, and the ejector pin penetrates through the push plate fixing plate and is arranged towards the fixed mould component.

Furthermore, the ejection unit also comprises a directional assembly, and the directional assembly comprises a directional column and a directional sleeve arranged in the ejector pin push plate and the push plate fixing plate;

further, ejecting unit still includes the reset unit, the reset unit includes the release link and overlaps and establish spring on the release link.

The utility model has the beneficial effects that: the utility model provides a stub bar auto-eject's mould, be provided with elastic component on the stub bar, elastic component includes elastic component and elastic pin, cooperation through elastic component and elastic pin makes the stub bar auto-eject, thereby make the drawing of patterns simple, and mould cooperation precision is high, make product injection moulding good, and be flawless, finished product dimensional tolerance and outward appearance requirement all reach and exceed the drawing requirement even, product volume production is stable, and the increase along with area of contact simultaneously, the shaping product atress is even during the drawing of patterns, can not harm the product.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a first perspective view of the present invention;

FIG. 3 is another perspective view of a portion of the present invention;

FIG. 4 is a perspective view of a further portion of the present embodiment;

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the mechanism or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In addition, the technical features mentioned in the different embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.

A mold is disclosed for producing a product.

As shown in fig. 1 to 4, the mold comprises a fixed mold component 1, a movable mold component 2, a fixed component 3 and a guide component 4, wherein the fixed mold component 1 is opposite to the movable mold component 2 in position and is used for matching with a molded product, and the guide component 4 is used for guiding the relative position of the movable mold component 2 and the fixed mold component 1, so that the quality of the molded product is ensured without deviation. When the die is used for preparing products, the fixed die assembly 1 and the movable die assembly 2 are fixed through the fixed assembly 3, so that the fixed die assembly 1 and the movable die assembly 2 are mutually closed, and the precision is guaranteed. And when this mould need put in storage, can fix cover half subassembly 1 and movable mould subassembly 2 through fixed subassembly 3 for both are closed each other, can avoid the inside original paper of mould to receive the damage when the assembly precision of assurance.

Specifically, the fixed die assembly 1 comprises a fixed die base plate 10 and a fixed die plate 11 which is located below the fixed die base plate 10 and is fixedly connected with the fixed die base plate 10. The central position of the fixed mold base plate 10 is provided with a positioning ring 12 penetrating through the fixed mold base plate 10, the fixed mold plate 11 is provided with a sprue 13 corresponding to the central position of the positioning ring 12 and a fixed mold groove portion (not shown) recessed from one side of the fixed mold plate 11 to the inside of the fixed mold plate 11, the positioning ring 12 corresponds to a gun platform position on the injection molding machine and is used for guiding the gun platform to enable the injection molding machine to accurately inject rubber materials into a mold, and the sprue 13 is used for guiding the injection molding rubber materials to enter the mold.

The fixed die assembly 1 further comprises a fixed die core 14 accommodated in the groove part of the fixed die, and the fixed die core 14 is used for being matched with the movable die assembly 2 to form a product.

The movable mold assembly 2 comprises a movable mold base plate 20, cushion blocks 21 correspondingly and vertically arranged on two sides of the movable mold base plate 20, and a movable mold plate 22 fixedly connected with the movable mold base plate 20 and the cushion blocks 21, wherein the two cushion blocks 21, the movable mold base plate 20 and the movable mold plate 22 jointly enclose to form an accommodating space. The movable mold assembly 2 further comprises 4 support rods 23 accommodated in the accommodating space and fixed on the movable mold base plate 20, and the support rods 23 are used for supporting the movable mold plate 22 and preventing the movable mold plate 22 from deforming. The movable die plate 22 is a movable die recessed portion (not shown) recessed from the movable die plate 22 side toward the inside of the movable die plate 22. The movable mold assembly 2 further comprises an ejection unit 7 accommodated in the accommodating space, a movable mold core 24 accommodated in the groove portion of the movable mold, and a plurality of movable mold cores located in the movable mold core 24. The movable mold base plate 20, the cushion block 21 and the movable mold plate 22 are sequentially arranged from bottom to top, and the fixed mold base plate 10 and the fixed mold plate 11 are sequentially arranged from top to bottom, so that the fixed mold component 1 and the movable mold component 2 can be relatively matched.

The movable mold component 2 further includes an ejection unit 7 accommodated in the accommodating space, and the ejection unit 7 includes an ejector pin (not shown) provided toward the fixed mold component 1 and an ejector pin push plate 71 for pushing the ejector pin. Under the ejection state, the ejector pins push the product to move towards the fixed die assembly 1.

The injection molding machine is provided with a mandril (not shown), the movable mold base plate 20 is provided with a mandril through hole 253 matched with the mandril, and the mandril passes through the mandril through hole 253 to be abutted against the thimble push plate 71, so that when the injection molding machine pushes the mandril, the mandril is pushed to sequentially push the thimble push plate 71, the thimble and the ejector block 27 to move along the movement direction of the mandril. The ejector plate 71 also retains one end of the ejector pin so that the ejector block 27 can be pushed by the ejector pin to move toward the fixed die assembly 1. The ejector block 27 is matched with the product to be injected, and can eject the product out of the movable mold core 24 after the mold is opened.

The ejecting unit 7 further includes a reset unit 73, the reset unit 73 includes a reset rod 731 and springs 732 sleeved on the reset rod 731, the number of the reset rod 731 and the number of the springs 732 are 4, and the reset rods 731 and the springs 732 are uniformly distributed on 4 corners of the ejector pin push plate 71. One end of the reset rod 731 is limited between the movable mold base plate 20 and the ejector pin push plate 71, the other end of the reset rod 731 can freely penetrate through the movable mold plate 22 and abut against the fixed mold plate 11, and the reset rod 731 is arranged around the ejector pin, so that the reset rod 731 can guide the ejector pin push plate 71 and the ejector pin, and the ejector pin is prevented from moving obliquely and being damaged. When the ejector pin pushes the product, the reset rod 731 can assist in pushing the fixed mold plate 11. The spring 732 has a portion that extends into the moving platen 22 to position itself relative to the moving platen 22, and another portion that extends beyond the moving platen 22 and the protruding portion abuts the push plate. When the mold is opened, the ejector pins are pushed out by ejector pins of the injection molding machine, the product is taken out, the ejector pins return, the ejector unit 7 can be reset through the elastic force of the springs 732, and the mold is closed. However, when the spring 732 fails or the reset fails due to external reasons, the mold is closed, and the reset rod 731 can directly abut against the fixed mold plate 11, so that the ejector pin is prevented from directly receiving the acting force of closing the mold, and the ejector pin is protected from being damaged.

The fixed assembly 3 comprises a fixed strip 31, fixing holes are formed in two ends of the fixed strip 31, and screws 32 or bolts 32 fix the fixed strip 31 on the fixed die plate 11 and the movable die plate 22 through the two fixing holes, so that the relative positions of the fixed die assembly 1 and the movable die assembly 2 are guaranteed to be unchanged.

The guiding assembly 4 includes a guiding post 41 and a guiding sleeve 42 sleeved on the guiding post 41. The guide pillars 41 are arranged to be 4, are uniformly distributed at 4 corners of the fixed die base plate 10, and are limited between the fixed die base plate 10 and the injection molding machine. One end of the guide post 41 is engaged with the fixed mold base plate 10, and the other end thereof is freely inserted into the pad 21. The fixed die assembly 1 and the movable die assembly 2 are both provided with guide sleeves 42, and the guide sleeves 42 are correspondingly matched with the guide posts 41 and evenly distributed on 4 corners of the fixed die plate 11 and the movable die plate 22. When the mold is opened, the guide post 41 is separated from the guide sleeve 42 in the movable mold plate 22, the movable mold component 2 is far away from the fixed mold component 1, when the mold is closed, the guide post 41 penetrates the guide sleeve 42 in the movable mold plate 22, and the movable mold component 2 and the fixed mold component 1 form a cavity for molding a product.

The mould still includes injection moulding component 5, and injection moulding component is including moulding plastics pipeline 51 and stub bar 52, and 13 stub bars 52 of runner are connected to the pipeline 51 of moulding plastics, and the number that stub bar 52 set up is at least one, and in this embodiment, the worker is provided with 4 stub bars 52 altogether. It should be noted that, the stub bars 52 at least partially extend into the molding cavities, at least two stub bars 52 may extend into one molding cavity to form one product, or at least one stub bar 51 may extend into at least one molding cavity to form a plurality of products, and may be adapted according to the products to be produced. When the product is great, need a plurality of stub bars 52 usually, at this moment, stub bar 52 evenly distributed is around the shaping die cavity, promotes efficiency better and forms the product, also makes the product injection moulding form more even. The molding cavity may be in various shapes for forming various products, and may be modified according to customer requirements, and thus is not limited herein.

A material shifting plate (not shown) is arranged between the fixed mold seat plate 10 and the fixed mold groove part, and the sprue 13 is positioned at the center of the material shifting plate. The switch plate is provided with a plurality of groups of elastic components 16, each group of elastic components 16 comprises an elastic part 161 and an elastic pin 162, and two ends of the elastic part 161 are respectively propped against the switch plate and the elastic pin 162. In this embodiment, the elastic member is a spring. The elastic pin 162 is deformed by the elastic member 161 so that the elastic pin 162 can move relative to the movable die assembly 2, and when the material-poking plate moves away from the movable die assembly 2, i.e. the product is demolded, the elastic member 161 drives the elastic pin 162 to pop out the stub bar 52. A plurality of cover plate recess portions (not shown) are formed in the switch plate so as to be recessed from one side of the switch plate toward the inside of the movable mold base plate 10, a cover plate 18 is accommodated in each cover plate recess portion, and the cover plate 18 is fixedly connected to one end of the elastic member 161.

The mould further comprises at least one material gripping needle 17, and the material gripping needle 17 and the material head 52 are arranged one to one with each other. One end of a material grabbing needle 17 is fixedly connected with the fixed die seat plate 10, and the other end of the material grabbing needle slidably penetrates through the material stirring plate 15. During injection molding, the material grabbing needle 17 is abutted against the injection molding assembly 5, so that the stub bar 52 at least partially enters the forming cavity; when the mold is opened, the material grabbing needle 17 grabs the material head 52 and separates the material head 52 from the product in the molding cavity. A lug (not shown) is arranged at one end of the material grabbing needle 17 close to the corresponding stub bar 52, and a groove (not shown) is arranged at one end of the stub bar 52 close to the material grabbing needle 17, wherein the groove and the lug are matched.

In the utility model, when the gun platform of the injection molding machine injects the material into the cavity through the sprue, the product can be molded, and then the ejector pin in the ejection unit ejects the product to drive the ejector block to eject the product, so that the whole injection molding process is completed.

In order to enable the formed product to be rapidly cooled and formed and keep the temperature of the whole die constant, a circulating water path is further arranged in the die and surrounds the forming cavity. Specifically, in order to ensure the quality of the product, two circulation water passages (not shown) are provided in the stationary platen 11 above the molding cavity, and one circulation water passage (not shown) is provided in the movable platen 22 below the molding cavity.

The guiding component 3 comprises a guide post 31 and a guide sleeve sleeved on the guide post. The guide pillar 31 sets up to 4, evenly distributed is at 4 corners of cover half bedplate 10 to spacing and cover half bedplate 10 and injection molding machine between. One end of the guide post 41 is engaged with the fixed mold base plate 10, and the other end thereof is freely inserted into the pad 21. Cover half subassembly 1 and movable mould subassembly 2 all are equipped with the guide pin bushing, and the guide pin bushing corresponds the cooperation with guide pillar 31, and even distribution is at 4 corners of cover half seat 10 and movable mould bedplate 20. When the mold is opened, the guide post 31 is separated from the guide sleeve in the movable mold plate 22, the movable mold component 2 is far away from the fixed mold component 1, when the mold is closed, the guide post 31 penetrates the guide sleeve in the movable mold plate 22, and the movable mold component 2 and the fixed mold component 1 form a cavity for molding a product.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A die for automatically ejecting a material head comprises:

the injection molding die is characterized by further comprising an injection molding assembly, wherein the injection molding assembly comprises a pouring pipeline and at least one stub bar, the pouring pipeline is connected with the sprue, at least part of the stub bar extends into the molding cavity, a shifting plate is arranged between the fixed die base plate and the fixed die groove portion, the sprue is located at the central position of the shifting plate, a plurality of groups of elastic assemblies are arranged on the shifting plate, each group of elastic assemblies comprises an elastic piece and an elastic pin, two ends of each elastic piece respectively support against the shifting plate and the elastic pin so as to support the elastic pin towards the direction of the movable die assembly, and when the shifting plate moves towards the direction far away from the movable die assembly, the elastic pieces drive the elastic pins to pop up and pop up the stub bar.

2. The die for automatically ejecting the stub bar as claimed in claim 1, wherein the die further comprises at least one material grabbing needle, and the material grabbing needles are arranged opposite to the stub bar in a one-to-one manner.

3. The die for automatically ejecting the stub bar as claimed in claim 2, wherein a protrusion is arranged at one end of the material grabbing needle close to the stub bar, and a groove is arranged at one end of the stub bar close to the material grabbing needle and matched with the protrusion.

4. The die for automatically ejecting a stub bar as claimed in claim 1, wherein the plurality of cover plate recess portions recessed from a side of the material-ejecting plate toward an inside of the movable die base plate are formed in the material-ejecting plate, and a cover plate is received in each of the cover plate recess portions and connected to the elastic member.

5. The die for automatically ejecting the stub bar as claimed in claim 1, wherein the elastic member is a spring.

6. The die for automatically ejecting the stub bar as claimed in claim 1, wherein the at least two stub bars can extend into one forming cavity.

7. The apparatus as claimed in claim 1, wherein the at least one stub bar is extendable into at least one of the molding cavities.

8. The die for automatically ejecting the stub bar as claimed in claim 1, wherein the ejection unit further comprises an ejector pin push plate arranged close to the movable die base plate, and a push plate fixing plate fixedly connected with the ejector pin push plate, and the ejector pin penetrates through the push plate fixing plate and is arranged towards the fixed die assembly.

9. The die for automatically ejecting the stub bar as claimed in claim 8, wherein the ejection unit further comprises an orientation component, and the orientation component comprises an orientation column and an orientation sleeve arranged in the ejector pin push plate and the push plate fixing plate.

10. The die for automatically ejecting the stub bar according to claim 9, wherein the ejection unit further comprises a reset unit, and the reset unit comprises a reset rod and a spring sleeved on the reset rod.