CN214562530U

CN214562530U - Injection mold capable of automatically ejecting workpiece

Info

Publication number: CN214562530U
Application number: CN202022125785.9U
Authority: CN
Inventors: 杨玲
Original assignee: Neijiang Keyu Intelligent Manufacturing Technology Co ltd
Current assignee: Neijiang Keyu Intelligent Manufacturing Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-11-02
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a can be automatic with ejecting injection mold of work piece, including shrouding, runner, mounting hole, cover half, pneumatic cylinder, hydraulic stem, fly leaf, movable mould, ejector pad, telescopic link, flexible interior pole, flexible outer pole, fixture block, compression spring, adapter sleeve and base. The utility model has the advantages that: the mounting hole has four, downthehole screw thread, be convenient for install the shrouding, pneumatic cylinder and hydraulic stem all establish four, the fly leaf passes through the pneumatic cylinder with the shrouding and is telescopic connection with the hydraulic stem, be convenient for separate the movable mould, cover half and movable mould pass through the pneumatic cylinder, hydraulic stem and fly leaf are the sealed connection, prevent to mould liquid and flow from the mould gap, the ejector pad passes through flexible interior pole, flexible outer pole and base are the retractable draw-in groove and connect, can be automatic ejecting with the work piece, the adapter sleeve is the screw thread rotation with flexible outer pole and is connected, be convenient for adjust ejecting height, the shock pad is established to the base bottom surface, can improve mould stability, reduce the work piece defective percentage, avoid manufacturing cost's waste.

Description

Injection mold capable of automatically ejecting workpiece

Technical Field

The utility model relates to an injection mold specifically is one kind can be automatic with ejecting injection mold of work piece, belongs to injection mold equipment technical field.

Background

An injection mould is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate dimensions, the injection moulding is a processing method used when producing some parts with complex shapes in batches, and particularly, the injection mould is used for injecting heated and melted plastics into a mould cavity under high pressure by an injection moulding machine, and obtaining a formed product after cooling and solidification, the injection mould is divided into a thermosetting plastic mould and a thermoplastic plastic mould according to the forming characteristics, and is divided into a transfer mould, a blow mould, a cast mould, a hot forming mould, a hot pressing mould, an injection mould and the like according to the forming process, wherein the hot pressing mould can be divided into an overflow type, a semi-overflow type and a non-overflow type in a flash mode, the injection mould can be divided into a cold runner mould and a hot runner mould by a pouring system, can be divided into a movable type and a fixed type in a loading and unloading mode, and an ejection device is used for demoulding after the injection mould is cooled and formed, therefore, an injection mold capable of automatically ejecting a workpiece is often more widely applicable.

The existing injection mold is simple in structure, one of the existing injection mold is characterized in that when plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, a movable mold and a fixed mold cannot be tightly and hermetically connected, the melted plastic is easy to flow out through a gap between the movable mold and the fixed mold, a formed workpiece cannot be obtained, the ejection height of the workpiece is often fixed, the demolding efficiency is easy to be influenced due to the fact that the formed workpiece is ejected incompletely during actual demolding, and therefore the practicability is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can be automatic with ejecting injection mold of work piece in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: an injection mold capable of automatically ejecting a workpiece comprises a sealing plate, a pouring gate, a mounting hole, a fixed mold, a hydraulic cylinder, a hydraulic rod, a movable plate, a movable mold, a push block, a telescopic rod, a telescopic inner rod, a telescopic outer rod, a clamping block, a compression spring, a fastening sleeve and a base; the device comprises a sealing plate, a fixed die, a movable plate, a movable die, a push block and a base, wherein the sealing plate is connected below an injection molding machine, a sprue is communicated with the center of the sealing plate, mounting holes are formed in four corners of the upper surface of the sealing plate, the fixed die is welded and fixed on the lower surface of the sealing plate, hydraulic cylinders are fixedly arranged at four corners of the lower surface of the sealing plate, a hydraulic rod is arranged at the lower end of the hydraulic cylinder, the bottom end of the hydraulic rod is fixedly connected with the movable plate, the movable die is welded and fixed at the center of the upper surface of the movable plate, the push block is arranged in an inner groove of the movable die, a telescopic rod is arranged below the movable plate and consists of a telescopic inner rod, a telescopic outer rod, a clamping block, a compression spring and a fastening sleeve, the telescopic inner rod is welded and fixed at the center of the bottom surface of the push block, the telescopic inner rod is arranged in the telescopic outer rod, and the clamping block is fixed on the telescopic inner rod, the lower end of the compression spring is installed in a slotted hole formed in the telescopic outer rod, the upper end of the compression spring is abutted to the lower surface of the clamping block, the fastening sleeve is sleeved on the telescopic inner rod and is arranged at the joint of the telescopic inner rod and the telescopic outer rod, and the base is fixedly connected to the bottom end of the telescopic outer rod in a welding mode.

Preferably, in order to facilitate the assembling of the sealing plate and the injection molding machine, the number of the mounting holes is four, the mounting holes are uniformly distributed at four corners of the sealing plate, and meanwhile, internal threads are arranged in the mounting holes.

Preferably, for the convenience of separating the movable mould and then realizing the drawing of patterns effect, pneumatic cylinder and hydraulic stem correspondence are equipped with four, and the fly leaf is telescopic connection through pneumatic cylinder and hydraulic stem with the shrouding.

Preferably, in order to prevent the melted plastic from flowing out of a gap of the mold, the fixed mold is consistent with the outer diameter of the movable mold, and the fixed mold and the movable mold are connected in a sealing manner through the hydraulic cylinder, the hydraulic rod and the movable plate.

Preferably, in order to be able to separate the fixed die and the movable die and simultaneously eject the formed workpiece automatically, the height of the push block is slightly higher than that of the movable die, and the push block is connected with the base through a telescopic inner rod, a telescopic outer rod in a groove of the movable die in a telescopic clamping groove.

Preferably, in order to facilitate adjustment of the ejection height of the injection molding workpiece, the top end of the clamping block is clamped on the inner side of the fastening sleeve, and the fastening sleeve is in threaded rotary connection with the telescopic outer rod.

Preferably, in order to improve the stability of the injection mold and further reduce the defective rate of workpieces, the outer diameters of the sealing plate, the movable plate and the base are consistent, the bottom surface of the base is provided with the shock pad, and meanwhile, the base is in a state of being suspended in the air or just contacting the ground.

The novel beneficial effect of this use is: this can be automatic ejecting injection mold of work piece reasonable in design, the mounting hole has four, and mounting hole evenly distributed is in the shrouding four corners, be equipped with the internal thread in the mounting hole simultaneously, be convenient for assemble shrouding and injection molding machine together, the internal thread is established to the mounting hole simultaneously, it is more firm also to make the shrouding connect, pneumatic cylinder and hydraulic stem correspond and are equipped with four, and the fly leaf is telescopic connection through pneumatic cylinder and hydraulic stem with the shrouding, be convenient for separate the movable mould and then realize drawing of patterns effect, the pneumatic cylinder and the hydraulic stem that the symmetry set up simultaneously also make the fly leaf atress even, improve drawing of patterns efficiency, the cover half is unanimous with movable mould external diameter size, and cover half and movable mould pass through the pneumatic cylinder, hydraulic stem and fly leaf are the sealed connection, can prevent that the plastics that melt from flowing out from the mould gap, thereby increase this injection mold's applicability, the height of ejector pad is slightly higher than the movable mould, and the ejector pad is through flexible interior pole of pole in the movable mould recess, Flexible outer pole and base are retractable draw-in groove connection, can be at separation cover half and movable mould simultaneously with the automatic ejecting of shaping work piece, reduce drawing of patterns time, improve injection mold's work efficiency, the top card of fixture block is inboard at the adapter sleeve, and the adapter sleeve is the screw thread rotation with flexible outer pole and is connected, realize the extrusion to the fixture block or relax, and then flexible interior pole is at the flexible extension and retraction of flexible outer pole, thereby be convenient for adjust the ejecting height of shaping injection molding work piece, the shrouding, fly leaf and base external diameter size are unanimous, and the shock pad is established to the base bottom surface, the base is in unsettled or just contact ground contact state simultaneously, can improve injection mold's stability and then reduce the work piece defective percentage, thereby avoid manufacturing cost's waste.

Drawings

FIG. 1 is a schematic view of the structure of the injection mold of the present invention;

FIG. 2 is a sectional view of the injection mold of the present invention;

fig. 3 is a schematic structural view of the telescopic device of the present invention.

In the figure: 1. shrouding, 2, runner, 3, mounting hole, 4, cover half, 5, pneumatic cylinder, 6, hydraulic stem, 7, fly leaf, 8, movable mould, 9, ejector pad, 10, telescopic link, 11, flexible interior pole, 12, flexible outer pole, 13, fixture block, 14, compression spring, 15, adapter sleeve and 16, base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, an injection mold capable of automatically ejecting a workpiece includes a sealing plate 1, a gate 2, a mounting hole 3, a fixed mold 4, a hydraulic cylinder 5, a hydraulic rod 6, a movable plate 7, a movable mold 8, a push block 9, a telescopic rod 10, a telescopic inner rod 11, a telescopic outer rod 12, a clamping block 13, a compression spring 14, a fastening sleeve 15 and a base 16; the device comprises a sealing plate 1, a fixed die 4, a movable plate 7, a movable die 8, a push block 9 and a base 16, wherein the sealing plate 1 is connected below an injection molding machine, a sprue 2 is communicated with the center of the sealing plate 1, mounting holes 3 are formed in four corners of the sealing plate 1, the fixed die 4 is welded and fixed on the lower surface of the sealing plate 1, hydraulic cylinders 5 are fixedly arranged at four corners of the lower surface of the sealing plate 1, hydraulic rods 6 are arranged at the lower ends of the hydraulic cylinders 5, the bottom ends of the hydraulic rods 6 are fixedly connected with the movable plate 7, the movable die 8 is welded and fixed at the center of the upper surface of the movable plate 7, the push block 9 is arranged in an inner groove of the movable die 8, a telescopic rod 10 is arranged below the movable plate 7, the telescopic rod 10 consists of a telescopic inner rod 11, a telescopic outer rod 12, a fixture block 13, a compression spring 14 and a fastening sleeve 15, the telescopic inner rod 11 is welded and fixed at the center of the bottom surface of the push block 9, and the telescopic inner rod 11 is arranged in the telescopic outer rod 12, the telescopic inner rod 11 is fixed with a clamping block 13, the lower end of a compression spring 14 is arranged in a groove hole formed in the telescopic outer rod 12, the upper end of the compression spring 14 is supported below the clamping block 13, a fastening sleeve 15 is sleeved on the telescopic inner rod 11, the fastening sleeve 15 is arranged at the joint of the telescopic inner rod 11 and the telescopic outer rod 12, and a base 16 is fixedly connected to the bottom end of the telescopic outer rod 12 in a welding mode.

The four mounting holes 3 are uniformly distributed at four corners of the sealing plate 1, the internal threads are arranged in the mounting holes 3, the sealing plate 1 and an injection molding machine are conveniently assembled together, the internal threads are arranged in the mounting holes 3, the sealing plate 1 is more stably connected, the four hydraulic cylinders 5 and the four hydraulic rods 6 are correspondingly arranged, the movable plate 7 and the sealing plate 1 are telescopically connected through the hydraulic cylinders 5 and the hydraulic rods 6, the movable mold 8 is conveniently separated, so that the demolding effect is realized, meanwhile, the movable plate 7 is uniformly stressed due to the symmetrically arranged hydraulic cylinders 5 and the hydraulic rods 6, the demolding efficiency is improved, the outer diameters of the fixed mold 4 and the movable mold 8 are consistent, the fixed mold 4 and the movable mold 8 are in sealable connection through the hydraulic cylinders 5, the hydraulic rods 6 and the movable plate 7, melted plastics can be prevented from flowing out from a mold gap, and the applicability of the injection mold is improved, the height of the push block 9 is slightly higher than that of the movable mold 8, the push block 9 is connected with the base 16 in a telescopic clamping groove through the telescopic inner rod 11, the telescopic outer rod 12 and the base 16 in the groove of the movable mold 8, a formed workpiece can be automatically ejected out when the fixed mold 4 and the movable mold 8 are separated, the demolding time is reduced, the working efficiency of the injection mold is improved, the top end of the clamping block 13 is clamped on the inner side of the fastening sleeve 15, and the fastening sleeve 15 is in threaded rotary connection with the telescopic outer rod 12 to realize the extrusion or loosening of the clamping block 13, thereby the telescopic inner rod 11 is telescopic on the telescopic outer rod 12, thereby being convenient for adjusting the ejection height of the injection molding workpiece, the sealing plate 1, the movable plate 7 and the base 16 have the same outer diameter, and the bottom surface of the base 16 is provided with a shock pad, meanwhile, the base 16 is in a suspension state or a contact-only state, so that the stability of the injection mold can be improved, the defective rate of workpieces is reduced, and the waste of production cost is avoided.

The working principle is as follows: when the injection mold capable of automatically ejecting workpieces is used, firstly, the telescopic inner rod 11 is welded and fixed at the center of the bottom surface of the push block 9, then the telescopic inner rod 11 penetrates through central through holes of the movable mold 8 and the movable mold 7, the push block 9 is arranged at a clamping groove in the movable mold 8, then the lower end of the telescopic inner rod 11 is connected with the telescopic rod 10, further the bottom end of the telescopic outer rod 12 is welded and fixed at the center of the upper surface of the base 16, then the top end of the hydraulic cylinder 5 is welded and fixed at four corners of the bottom surface of the sealing plate 1, simultaneously, the hydraulic rods 6 at the lower end of the hydraulic cylinder 5 are respectively welded and fixedly connected with the movable mold 7, finally, the sprue 2 is aligned to an injection molding pipeline, further, the injection mold is fixed at the lower end of the injection molding machine through the mounting holes 3 at the four corners of the surface of the sealing plate 1, when in use, the length of the hydraulic rod 6 is shortened through the hydraulic cylinder 5, the fixed mold 4 is sealed and attached to the movable mold 8, the injection machine is opened, so that melted plastics enter a mold cavity through the sprue 2, namely, the plastic mold is plastic, after the completion, the fixed die 4 and the movable die 8 are separated by extending the hydraulic rod 6, and meanwhile, the base 16 is contacted with the ground so as to push the push block 9 upwards, so that the workpiece can be automatically ejected out, and during the process, the length of the telescopic inner rod 11 in the telescopic outer rod 12 is adjusted by the rotatable fastening sleeve 15, so that the ejection height of the workpiece is adjusted.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a can be automatic with ejecting injection mold of work piece which characterized in that: the device comprises a sealing plate (1), a pouring gate (2), a mounting hole (3), a fixed die (4), a hydraulic cylinder (5), a hydraulic rod (6), a movable plate (7), a movable die (8), a push block (9), a telescopic rod (10), a telescopic inner rod (11), a telescopic outer rod (12), a clamping block (13), a compression spring (14), a fastening sleeve (15) and a base (16); the device comprises a sealing plate (1), a fixed die (4), a movable plate (7), a movable die (8), a push block (9) and a base (16), wherein the sealing plate (1) is connected below an injection molding machine, a pouring gate (2) is communicated with the center of the sealing plate (1), a mounting hole (3) is formed in the four corners of the upper surface of the sealing plate (1), the fixed die (4) is welded and fixed on the lower surface of the sealing plate (1), hydraulic cylinders (5) are fixedly arranged at the four corners of the lower surface of the sealing plate (1), hydraulic rods (6) are arranged at the lower ends of the hydraulic cylinders (5), the bottom ends of the hydraulic rods (6) are fixedly connected with the movable plate (7), the movable die (8) is welded and fixed on the center of the upper surface of the movable plate (7), the push block (9) is arranged in an inner groove of the movable die (8), and a telescopic rod (10) is arranged below the movable plate (7), just telescopic link (10) comprise flexible interior pole (11), flexible outer pole (12), fixture block (13), compression spring (14), adapter sleeve (15), telescopic interior pole (11) welded fastening is in ejector pad (9) bottom surface center department, just in flexible outer pole (12) are arranged in to flexible interior pole (11), flexible interior pole (11) are fixed with fixture block (13), the slotted hole of seting up on flexible outer pole (12) is installed to the lower extreme of compression spring (14), just the upper end of compression spring (14) supports below fixture block (13), adapter sleeve (15) cover is on flexible interior pole (11), just adapter sleeve (15) set up the junction at flexible interior pole (11) and flexible outer pole (12), base (16) welded fastening connects in flexible outer pole (12) bottom.

2. An injection mold capable of automatically ejecting a workpiece according to claim 1, wherein: the number of the mounting holes (3) is four, the mounting holes (3) are evenly distributed at four corners of the sealing plate (1), and internal threads are arranged in the mounting holes (3).

3. An injection mold capable of automatically ejecting a workpiece according to claim 1, wherein: pneumatic cylinder (5) and hydraulic stem (6) correspond and are equipped with four, and fly leaf (7) are telescopic connection through pneumatic cylinder (5) and hydraulic stem (6) with shrouding (1).

4. An injection mold capable of automatically ejecting a workpiece according to claim 1, wherein: the outer diameter of the fixed die (4) is consistent with that of the movable die (8), and the fixed die (4) and the movable die (8) are connected in a sealing mode through the hydraulic cylinder (5), the hydraulic rod (6) and the movable plate (7).

5. An injection mold capable of automatically ejecting a workpiece according to claim 1, wherein: the height of the push block (9) is slightly higher than that of the movable mold (8), and the push block (9) is connected with the base (16) in the groove of the movable mold (8) through a telescopic inner rod (11), a telescopic outer rod (12) and a telescopic clamping groove.

6. An injection mold capable of automatically ejecting a workpiece according to claim 1, wherein: the top end of the clamping block (13) is clamped on the inner side of the fastening sleeve (15), and the fastening sleeve (15) is in threaded rotary connection with the telescopic outer rod (12).

7. An injection mold capable of automatically ejecting a workpiece according to claim 1, wherein: the outer diameters of the sealing plate (1), the movable plate (7) and the base (16) are consistent, the bottom surface of the base (16) is provided with a shock pad, and meanwhile, the base (16) is in a suspended or rigid contact ground contact state.