CN113459416A

CN113459416A - Hot runner injection mold

Info

Publication number: CN113459416A
Application number: CN202110754686.3A
Authority: CN
Inventors: 稽成业; 高金峰; 崔伟东
Original assignee: Anhui Anlan Mould Co ltd
Current assignee: Anhui Anlan Mould Co ltd
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2021-10-01
Anticipated expiration: 2041-07-05
Also published as: CN113459416B

Abstract

The invention discloses a hot runner injection mold and an insert placing method, wherein the hot runner injection mold comprises a lower die holder, an upper die holder is arranged on the upper surface of the lower die holder, a side seat body is fixedly connected to the right side surface of the lower die holder, an electric push rod is arranged on the right side surface of the inner wall of the side seat body, an embedding seat is fixedly connected to the output end of the electric push rod, and an embedding opening is formed in the right side surface of the lower die holder; the device is convenient for place the inserts in advance outside the mould through setting seat and draw-in groove, can drive the shrink of second piston rod simultaneously through the electro-magnet, make in the second piston rod gas receive enter into two first piston rods, remove to fix the inserts in order to promote two splint, and the baffle receives magnetic force and removes in the draw-in groove, reserve the space of placing for the inserts, it is fixed to further adsorb the inserts simultaneously, be convenient for through electric putter will set up the stable propelling movement of fixed inserts of seat to the mould in, in order to guarantee the location to the inserts, it is convenient to place for the inserts through this design, the stable of inserts is placed again simultaneously.

Description

Hot runner injection mold

Technical Field

The invention belongs to the technical field of molds, and particularly relates to a hot runner injection mold.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, the mold is a tool for manufacturing a molded article, the tool is composed of various parts, different molds are composed of different parts, and injection molding is also called injection molding, and is a molding method combining injection molding and molding.

When placing the inserts, the existing mold usually utilizes a manipulator to place the inserts into an injection molding cavity of the mold, and the inserts need to be placed before the mold is closed, so that the operation process is complicated, the work efficiency of the mold is deficient, the inserts are not conveniently and stably placed, the inserts are inclined and are not easy to position, and the hot runner injection mold is provided for solving the problems.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the hot runner injection mold and the insert placing method, and solves the problems that the work efficiency is deficient due to the fact that the operation process is complicated when the insert is placed in the existing mold, and the insert is not convenient to stably place, so that the insert is inclined and is not easy to position.

In order to solve the technical problems, the invention provides the following technical scheme: the hot runner injection mold and the insert placing method comprise a lower mold base, wherein an upper mold base is arranged on the upper surface of the lower mold base, a side seat body is fixedly connected to the right side surface of the lower mold base, an electric push rod is installed on the right side surface of the inner wall of the side seat body, an embedding seat is fixedly connected to the output end of the electric push rod, an embedding opening is formed in the right side surface of the lower mold base, a clamping groove is formed in the left side surface of the embedding seat, an electromagnet is installed on the right side surface of the inner wall of the clamping groove, clamping plates are arranged on the front surface of the inner wall of the clamping groove and the back surface of the inner wall of the clamping groove, a first piston rod is arranged at one end of each clamping plate, and the other end of the first piston rod is fixedly connected with the inner wall of the embedding seat.

The upper surface fixedly connected with second piston rod of inlay seat inner wall, and the second piston rod is linked together through air duct and two first piston rods, the top fixedly connected with pull rod of second piston rod, and the bottom fixedly connected with adsorption plate of pull rod, the baffle has been cup jointed in the draw-in groove, the right-hand member fixedly connected with metal T type pole of baffle, the position of metal T type pole and the position of adsorption plate all correspond with the position of electro-magnet.

As a preferred technical scheme of the present invention, the outer wall of the first piston rod is wound with a first spring, two ends of the first spring are respectively fixedly connected with the back surface of the clamping plate and the front surface of the inner wall of the embedding seat, and the positions of the two clamping plates correspond to each other.

According to a preferred technical scheme, the limiting plate is fixedly connected in the clamping groove, the right end of the metal T-shaped rod penetrates through the limiting plate, the outer wall of the metal T-shaped rod is in lap joint with the inner wall of the limiting plate, the outer wall of the metal T-shaped rod is wound with a second spring, and the left end and the right end of the second spring are fixedly connected with the right side face of the baffle and the left side face of the limiting plate respectively.

According to a preferable technical scheme of the invention, positioning sheets are fixedly connected to the front side and the back side of the embedding seat, two positioning grooves are formed in the right side surface of the lower die seat, a rubber pad is arranged on the left side surface of each positioning sheet, and a magnetic layer is arranged on the outer wall of the left end of the embedding seat.

As a preferred technical scheme of the invention, the cross section of the side seat body is of an L-shaped structure, the right side surface of the inner wall of the side seat body is fixedly connected with a supporting plate, and the upper surface of the supporting plate is lapped with the lower surface of the embedding seat.

As a preferable technical scheme of the invention, a display is arranged on the right side surface of the side seat body, and a temperature sensor is arranged in the left end of the embedding seat.

The insert placing method of the hot runner injection mold comprises the following steps:

s1, at first in placing the draw-in groove that the embedding seat left surface set up with the one end of waiting to place the inserts, start the electro-magnet and produce strong magnetic force after that, adsorb the adsorption plate for the adsorption plate descends and drives the pull rod decline, and then drives the compression of second piston rod, and in the second piston rod gas received the compression back and entered into two first piston rods through the air duct, two first piston rods extended synchronously and driven corresponding splint to remove to the middle part, extrude fixedly to the inserts.

S2 and secondly, when the electromagnet is started, the metal T-shaped rod is moved inwards by magnetic force, so that the baffle plate is driven to move inwards in the clamping groove, a certain placing space is reserved for the insert, and the baffle plate has certain magnetic force under the action of the electromagnet so as to adsorb the insert.

S3, after the inserts are fixed, start electric putter and will inlay seat propelling movement to the mouth of inlaying, and carry out spacingly to it by the spacer, make the fixed inserts of inlay seat enter into the die holder, when moulding plastics in the mould, close the electro-magnet, make splint remove to reset and remove the centre gripping of removing the inserts fixed, simultaneously, the baffle is released the inserts through second spring automatic re-setting, make it melt mutually with the injection molding material, and the baffle is closed the open end of draw-in groove, mould plastics and carry out the drawing of patterns after accomplishing.

Compared with the prior art, the invention can achieve the following beneficial effects:

1. the device is convenient for place the inserts in advance outside the mould through setting a seat and draw-in groove, simultaneously through the effect of electro-magnet, can utilize the adsorption plate to drive the shrink of second piston rod, make in the second piston rod gas receive and enter into two first piston rods after the compression, in order to promote two splint synchronous motion and carry out automatic fixed to the inserts, and the baffle receives magnetic force and removes in to the draw-in groove, reserve certain space of placing for the inserts, it is fixed to further adsorb the inserts simultaneously, be convenient for through electric putter will set a fixed stable propelling movement of inserts to the mould in, in order to guarantee the location to the inserts, it is convenient that placing for the inserts through this design provides, the stable of inserts is placed again simultaneously.

2. The device passes through the mating reaction of temperature sensor and display, can be when propelling movement inserts to mould in, the in-process of moulding plastics is monitored its inside stability, and then can be when the injection molding material is in the temperature that will solidify, it pushes the injection molding material with the inserts to utilize baffle automatic re-setting to push after the electro-magnet of being convenient for is closed, be convenient for it stereotypes, and simultaneously, the baffle carries out automatic closure to the opening of draw-in groove after releasing the inserts, prevent that the injection molding material from entering into inside the draw-in groove and causing its jam, not only can prevent the inserts skew through this design, can ensure the normal life of structure simultaneously again.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic left-side sectional view of the insert seat of the present invention;

fig. 5 is a schematic front sectional view of the insert seat of the present invention.

Wherein: 1. a lower die holder; 2. an upper die holder; 3. a side seat body; 4. a support plate; 5. a display; 6. an electric push rod; 7. embedding a base; 8. a magnetic layer; 9. positioning plates; 10. embedding; 11. positioning a groove; 12. a rubber pad; 13. a card slot; 14. a baffle plate; 15. a splint; 16. a first piston rod; 17. a first spring; 18. an air duct; 19. a second piston rod; 20. a pull rod; 21. an adsorption plate; 22. a second spring; 23. a limiting plate; 24. a metal T-bar; 25. an electromagnet; 26. a temperature sensor.

Detailed Description

Technical means for implementing the present invention; authoring features; the purpose served by the disclosure is to provide a thorough understanding of the invention, and is to be construed as being a limitation on the scope of the invention as defined by the appended claims. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples, unless otherwise specified, are conventional methods, materials used in the following examples; reagents and the like are commercially available unless otherwise specified.

Examples

The hot runner injection mold and the insert placing method shown in fig. 1-4 comprise a lower die holder 1, wherein an upper die holder 2 is arranged on the upper surface of the lower die holder 1, a side seat body 3 is fixedly connected to the right side surface of the lower die holder 1, an electric push rod 6 is installed on the right side surface of the inner wall of the side seat body 3, an embedding seat 7 is fixedly connected to the output end of the electric push rod 6, an embedding opening 10 is formed in the right side surface of the lower die holder 1, a clamping groove 13 is formed in the left side surface of the embedding seat 7, an electromagnet 25 is installed on the right side surface of the inner wall of the clamping groove 13, clamping plates 15 are arranged on the front surface of the inner wall of the clamping groove 13 and the back surface of the inner wall, a first piston rod 16 is arranged at one end of each clamping plate 15, and the other end of the first piston rod 16 is fixedly connected with the inner wall of the embedding seat 7.

The upper surface of the inner wall of the embedding seat 7 is fixedly connected with a second piston rod 19, the second piston rod 19 is communicated with the two first piston rods 16 through an air duct 18, the top end of the second piston rod 19 is fixedly connected with a pull rod 20, the bottom end of the pull rod 20 is fixedly connected with an adsorption plate 21, a baffle plate 14 is sleeved in the clamping groove 13, the right end of the baffle plate 14 is fixedly connected with a metal T-shaped rod 24, and the positions of the metal T-shaped rod 24 and the adsorption plate 21 correspond to the position of the electromagnet 25.

In other embodiments, the outer wall of the first piston rod 16 is wound with a first spring 17, two ends of the first spring 17 are respectively fixedly connected with the back surface of the clamping plate 15 and the front surface of the inner wall of the embedding seat 7, and the positions of the two clamping plates 15 correspond to each other;

through the design, the first piston rod 16 can automatically reset through the elasticity of the first spring 17, and the two clamping plates 15 can automatically reset through the closing of the electromagnet 25, so that the insert can be automatically and quickly released to be limited.

In other embodiments, a limiting plate 23 is fixedly connected in the clamping groove 13, the right end of the metal T-shaped rod 24 penetrates through the limiting plate 23, the outer wall of the metal T-shaped rod 24 is lapped with the inner wall of the limiting plate 23, a second spring 22 is wound on the outer wall of the metal T-shaped rod, and the left end and the right end of the second spring 22 are fixedly connected with the right side surface of the baffle 14 and the left side surface of the limiting plate 23 respectively;

through this design, can let baffle 14 automatic re-setting release the inserts, make it melt with the injection molding material mutually to baffle 14 can also be closed the open end of draw-in groove 13, prevents that the injection molding material from entering into inside draw-in groove 13.

In other embodiments, the front and the back of the embedding seat 7 are fixedly connected with positioning pieces 9, the right side of the lower die holder 1 is provided with two positioning grooves 11, the left side of the positioning pieces 9 is provided with a rubber pad 12, and the outer wall of the left end of the embedding seat 7 is provided with a magnetic layer 8;

through this design for when embedding base 7 and inlaying in mouthful 10, it can prevent its overextension through the effect of spacer 9, guarantees its stable laminating in die holder 1, and through the effect of magnetic layer 8, can make and closely laminate between base 7 and the mouth 10, prevent that the injection molding material from oozing simultaneously.

In other embodiments, the cross section of the side seat body 3 is an L-shaped structure, the right side surface of the inner wall of the side seat body 3 is fixedly connected with a support plate 4, and the upper surface of the support plate 4 is lapped with the lower surface of the embedding seat 7;

through this design, can be when inlaying seat 7 and remove, carry out the bearing to its below, make it have good structural stability, provide good guarantee for its steady movement.

In other embodiments, the display 5 is disposed on the right side of the side seat 3, and the temperature sensor 26 is disposed in the left end of the embedding seat 7.

Through this design, can be when propelling movement inserts to mould in, the in-process of moulding plastics is monitored its inside stability.

s1, at first will place the one end of inserts and place in the draw-in groove 13 that inlays seat 7 left surface and set up, start electromagnet 25 and produce strong magnetic force after that, adsorb adsorption plate 21, make adsorption plate 21 descend and drive pull rod 20 and descend, and then drive the compression of second piston rod 19, gas receives entering into two first piston rods 16 through air duct 18 after the compression in the second piston rod 19, two first piston rods 16 extend in step and drive corresponding splint 15 and remove to the middle part, extrude the inserts fixedly.

S2, secondly, when the electromagnet 25 is started, the metal T-shaped rod 24 is moved inwards by magnetic force, and then the baffle plate 14 is driven to move inwards into the clamping groove 13, a certain placing space is reserved for the insert, and the baffle plate 14 has certain magnetic force under the action of the electromagnet 25 so as to adsorb the insert.

S3, after the fixing of the insert is completed, the electric push rod 6 is started to push the insert seat 7 to the insert opening 10, the insert seat is limited by the positioning piece 9, the insert seat 7 is enabled to be fixed to enter the lower die holder 1, when the mold is used for injection molding, the electromagnet 25 is closed, the clamping plate 15 is enabled to move, reset and release the clamping fixation of the insert, meanwhile, the baffle plate 14 is enabled to be pushed out of the insert through the automatic resetting of the second spring 22 and is enabled to be fused with the injection molding material, the baffle plate 14 is enabled to close the opening end of the clamping groove 13, and the mold is released after the injection molding is completed.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature is "above" the second feature; "above" and "above" include the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature is "below" the second feature; "below" and "beneath" include the first feature being directly beneath and obliquely below the second feature, or merely indicating that the first feature is at a lesser level than the second feature.

The foregoing shows and describes the general principles of the present invention; the main features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Hot runner injection mold, including die holder (1), its characterized in that: the upper surface of the lower die holder (1) is provided with an upper die holder (2), the right side surface of the lower die holder (1) is fixedly connected with a side base body (3), the right side surface of the inner wall of the side base body (3) is provided with an electric push rod (6), the output end of the electric push rod (6) is fixedly connected with an embedding base (7), the right side surface of the lower die holder (1) is provided with an embedding opening (10), the left side surface of the embedding base (7) is provided with a clamping groove (13), the right side surface of the inner wall of the clamping groove (13) is provided with an electromagnet (25), the front surface of the inner wall of the clamping groove (13) and the back surface of the inner wall are both provided with clamping plates (15), one end of each clamping plate (15) is provided with a first piston rod (16), and the other end of each first piston rod (16) is fixedly connected with the inner wall of the embedding base (7);

inlay the last fixed surface of seat (7) inner wall and be connected with second piston rod (19), and second piston rod (19) are linked together with two first piston rods (16) through air duct (18), top fixedly connected with pull rod (20) of second piston rod (19), and the bottom fixedly connected with adsorption plate (21) of pull rod (20), have cup jointed baffle (14) in draw-in groove (13), the right-hand member fixedly connected with metal T type pole (24) of baffle (14), the position of metal T type pole (24) and the position of adsorption plate (21) all are corresponding with the position of electro-magnet (25).

2. The hot runner injection mold of claim 1, wherein: the outer wall of the first piston rod (16) is wound with a first spring (17), two ends of the first spring (17) are fixedly connected with the back of the clamping plate (15) and the front of the inner wall of the embedding seat (7) respectively, and the positions of the two clamping plates (15) correspond to each other.

3. The hot runner injection mold of claim 1, wherein: fixedly connected with limiting plate (23) in draw-in groove (13), limiting plate (23) is run through to the right-hand member of metal T type pole (24), and the outer wall of metal T type pole (24) and the inner wall overlap joint of limiting plate (23), the outer wall winding of metal T type has second spring (22), both ends respectively with the right flank of baffle (14) and the left surface fixed connection of limiting plate (23) about second spring (22).

4. The hot runner injection mold of claim 1, wherein: inlay the equal fixedly connected with spacer (9) in front and the back of seat (7), two constant head tanks (11) have been seted up to the right flank of die holder (1), the left surface of spacer (9) is provided with rubber pad (12), the outer wall of embedding seat (7) left end is provided with magnetic layer (8).

5. The hot runner injection mold of claim 1, wherein: the cross section of the side seat body (3) is of an L-shaped structure, a supporting plate (4) is fixedly connected to the right side face of the inner wall of the side seat body (3), and the upper surface of the supporting plate (4) is in lap joint with the lower surface of the embedding seat (7).

6. The hot runner injection mold of claim 1, wherein: the right side face of the side seat body (3) is provided with a display (5), and the left end of the embedding seat (7) is internally provided with a temperature sensor (26).

7. Hot runner injection mold insert placement method, characterized in that the hot runner injection mold according to claims 1-6 comprises the following steps:

s1, firstly, one end of the insert to be placed is placed in a clamping groove (13) formed in the left side face of an embedding seat (7), then an electromagnet (25) is started to generate strong magnetic force to adsorb an adsorption plate (21), so that the adsorption plate (21) descends to drive a pull rod (20) to descend, and further a second piston rod (19) is driven to compress, gas in the second piston rod (19) is compressed and then enters two first piston rods (16) through a gas guide pipe (18), and the two first piston rods (16) synchronously extend to drive corresponding clamping plates (15) to move towards the middle part to extrude and fix the insert;

s2, when the electromagnet (25) is started, the metal T-shaped rod (24) moves inwards under the action of magnetic force, the baffle plate (14) is driven to move towards the clamping groove (13), a certain placing space is reserved for the insert, and the baffle plate (14) has certain magnetic force under the action of the electromagnet (25) so as to adsorb the insert;

s3, after the inserts are fixed, start electric putter (6) with inlay seat (7) propelling movement to inlay mouthful (10), and carry out spacingly to it by spacer (9), make inlay seat (7) fixed inserts enter into die holder (1), when moulding plastics in the mould, close electro-magnet (25), it is fixed to the centre gripping of inserts to make splint (15) remove to reset and relieve, simultaneously, baffle (14) push out the inserts through second spring (22) automatic re-setting, make it melt mutually with the injection molding material, and baffle (14) are closed the open end of draw-in groove (13), carry out the drawing of patterns after the completion of moulding plastics.