CN210820659U

CN210820659U - Mould convenient to change mold core

Info

Publication number: CN210820659U
Application number: CN201921716766.4U
Authority: CN
Inventors: 潘平道
Original assignee: Dongguan Pingqiang Injection Mould Co ltd
Current assignee: Dongguan Pingqiang Injection Mould Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-06-23
Anticipated expiration: 2029-10-14

Abstract

The utility model belongs to the technical field of moulds, in particular to a mould convenient for changing a mould core, which comprises a mould main body, wherein a side cover plate is arranged on one side surface of the mould main body, a mould core is arranged on the other side of the mould main body, an active groove is arranged at the inner wall of the mould main body, a compression spring is arranged in the active groove, a positioning lug is movably arranged in the active groove through the compression spring, and a positioning groove is arranged on the side surface of the mould core; the mold core passes through powerful magnetic ring, the movable groove, compression spring, location lug and constant head tank and mould main part fixed connection, and the powerful magnetic ring of inlaying simultaneously on the mold core side surface passes through magnetic force to adsorb with the mould main part and is connected, and the inside of constant head tank is inserted to the lug of location simultaneously under compression spring's effect, has increased the convenience and the stability that mold core and mould main part are connected, and when mould main part and side cover plate connect simultaneously, spacing arch inserts the inside in spacing groove.

Description

Mould convenient to change mold core

Technical Field

The utility model belongs to the technical field of the mould, concretely relates to mould convenient to change mold core.

Background

The mould is a tool which can make the blank into a product with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or cavity shape, and the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge. When the traditional die is used, the replacement difficulty of the die core after abrasion is large, the die needs to be detached for many times when different workpieces are manufactured simultaneously, the machining efficiency is low, and meanwhile, the problem of damage is easily caused due to the fact that the contact area is too small when the workpieces are demoulded.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a mould convenient to change mold core has the mold core and damages the back and be convenient for change, processing simultaneously different work pieces the time change mold core can, increased work piece injection moulding's efficiency, the high characteristics of work piece drawing of patterns security simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mould convenient to change mold core, includes the mould main part, a side surface mounting of mould main part has the side cap board, the mold core is installed to mould main part opposite side, movable groove has been seted up to the inner wall department of mould main part, movable groove's internally mounted has compression spring, movable groove has the location lug through compression spring movable mounting, the constant head tank has been seted up to the side surface of mold core, the inside at the constant head tank is installed to the one end of location lug, the side surface of mold core is inlayed and is had powerful magnetic ring, and the side surface contact of powerful magnetic ring and mould main part, the side surface integrated into one piece of side cap board has spacing arch, the spacing groove with spacing protruding looks adaptation is seted up to the side surface that the mould main part is close to the side cap board, it.

As the utility model discloses a preferred technical scheme of mould convenient to change mold core, hydraulic cylinder is installed through the bolt to the side surface of side apron, hydraulic cylinder's output shaft runs through the side apron and is fixed with the push pedal, the inside of mould main part is provided with the ejector pin, the one end that the ejector pin runs through the mold core is fixed with the stripper plate, buffer spring has been cup jointed with the one end of push pedal contact to the ejector pin.

As the utility model discloses a preferred technical scheme of mould convenient to change mold core, the tip of stripper plate is the arc structure, buffer spring's one end and mould main part fixed connection, buffer spring's the other end and ejector pin fixed connection.

As the utility model discloses a preferred technical scheme of mould convenient to change mold core, the movable groove that mould main part inner wall department seted up is provided with two, and two movable grooves are symmetrical about the central line of mould main part.

As the utility model discloses a preferred technical scheme of mould convenient to change mold core, the cross section of spacing arch and spacing groove is circular structure, and the internal diameter of spacing bellied external diameter ratio spacing groove is 1mm less.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the mold core passes through powerful magnetic ring, the movable slot, compression spring, location lug and constant head tank and mould main part fixed connection, inlay simultaneously and pass through magnetic force absorption with the mould main part at the powerful magnetic ring of mold core side surface and be connected, the inside of constant head tank is inserted to the lug of location simultaneously under compression spring's effect, the convenience and the stability that mold core and mould main part are connected have been increased, when mould main part and side cover connection simultaneously, spacing arch inserts the inside of spacing groove, simultaneously close the connection soon through interior hexagonal screw rod between mould main part and the side cover, the stability of side cover installation at mould main part side surface has been increased.

2. Through the hydraulic cylinder of side cover board side surface installation, hydraulic cylinder's output shaft runs through the side cover board and is fixed with the push pedal simultaneously, and the ejector pin tip that runs through the mold core simultaneously passes through buffer spring and push pedal contact, and the stripper plate that the ejector pin other end is fixed simultaneously is embedded into the inner wall department of mold core, has increased the stability and the convenience that the ejector pin removed, and the ejector pin of being convenient for simultaneously takes the stripper plate to make the inside injection molding of mold core demold.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

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

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic cross-sectional structure of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

in the figure: 1. a mold body; 2. a side cover plate; 3. a mold core; 4. a powerful magnetic ring; 5. a movable groove; 6. a compression spring; 7. positioning the bump; 8. positioning a groove; 9. a limiting bulge; 10. a limiting groove; 11. an inner hexagonal screw; 12. a hydraulic cylinder; 13. pushing the plate; 14. a top rod; 15. a stripper plate; 16. a buffer spring.

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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a mould convenient to change mold core, including mould main part 1, a side surface mounting of mould main part 1 has side apron 2, mold core 3 is installed to 1 opposite side of mould main part, movable groove 5 has been seted up to mould main part 1's inner wall department, movable groove 5's internally mounted has compression spring 6, movable groove 5 has location lug 7 through compression spring 6 movable mounting, constant head tank 8 has been seted up to mold core 3's side surface, the inside at constant head tank 8 is installed to location lug 7's one end, the side surface of mold core 3 is inlayed and is had powerful magnetic ring 4, and powerful magnetic ring 4 contacts with mould main part 1's side surface, side surface integrated into one piece of side apron 2 has spacing arch 9, mould main part 1 is close to the side surface of side apron 2 and sets up spacing groove 10 with spacing arch 9 looks adaptation, revolve to close between mould main.

In this embodiment, mold core 3 is through powerful magnetic ring 4, the movable groove 5, compression spring 6, locating lug 7 and constant head tank 8 and 1 fixed connection of mould main part, inlay simultaneously and be connected through magnetic force absorption at the powerful magnetic ring 4 of 3 side surfaces of mold core and mould main part 1, locating lug 7 inserts the inside of constant head tank 8 under compression spring 6's effect simultaneously, the convenience and the stability that mold core 3 and mould main part 1 are connected have been increased, when mould main part 1 and side cover plate 2 are connected simultaneously, spacing arch 9 inserts the inside of spacing groove 10, close the connection soon through interior hexagonal screw 11 between mould main part 1 and the side cover plate 2 simultaneously, the stability of installing in 1 side surface of mould main part 2 has been increased.

Specifically, hydraulic cylinder 12 is installed through the bolt to the side surface of side apron 2, hydraulic cylinder 12's output shaft runs through side apron 2 and is fixed with push pedal 13, the inside of mould main part 1 is provided with ejector pin 14, ejector pin 14 runs through the one end of mold core 3 and is fixed with stripper plate 15, buffer spring 16 has been cup jointed with the one end of push pedal 13 contact to ejector pin 14, the tip of stripper plate 15 is the arc structure, buffer spring 16's one end and mould main part 1 fixed connection, buffer spring 16's the other end and ejector pin 14 fixed connection.

In this embodiment, through the hydraulic cylinder 12 of 2 side surface mountings of side shroud, the output shaft of hydraulic cylinder 12 runs through side shroud 2 simultaneously and is fixed with

push pedal

13, 14 tip of ejector pin that run through mold core 3 simultaneously pass through buffer spring 16 and push pedal 13 contact, the stripper plate 15 that the ejector pin 14 other end is fixed simultaneously imbeds the inner wall department of mold core 3, the stability and the convenience that ejector pin 14 removed have been increased, the ejector pin 14 of being convenient for simultaneously takes stripper plate 15 to make the inside injection molding of mold core 3 demold.

Specifically, two movable grooves 5 are formed in the inner wall of the mold body 1, and the two movable grooves 5 are symmetrical with respect to the center line of the mold body 1.

In this embodiment, the two movable grooves 5 are symmetrical with respect to the center line of the mold body 1, so that the stability of the connection between the mold core 3 and the mold body 1 is increased.

Specifically, the cross sections of the limiting protrusion 9 and the limiting groove 10 are both circular structures, and the outer diameter of the limiting protrusion 9 is 1mm smaller than the inner diameter of the limiting groove 10.

In this embodiment, the outer diameter of the limiting protrusion 9 is smaller than the inner diameter of the limiting groove 10 by 1mm, so that the limiting protrusion 9 can be conveniently inserted into the limiting groove 10.

The utility model discloses a theory of operation and use flow: during the installation, be connected the mold core 3 of selection with mould main part 1, the side surface extrusion locating lug 7 of mold core 3 this moment, make locating lug 7 one end extrude compression spring 6 after at the inside removal of movable groove 5, when locating lug 7's one end is installed in the inside of constant head tank 8, powerful magnetic ring 4 and mould main part 1's surface contact, be connected side cover plate 2 with mould main part 1 through interior hexagonal screw 11, the push pedal 13 of the installation of hydraulic cylinder 12 output shaft simultaneously contacts with the tip of ejector pin 14, cup joint the compression at ejector pin 14 outside buffer spring 16 this moment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mould convenient to change mold core, includes mould main part (1), its characterized in that: a side cover plate (2) is installed on the surface of one side of the die main body (1), a die core (3) is installed on the other side of the die main body (1), a movable groove (5) is formed in the inner wall of the die main body (1), a compression spring (6) is installed inside the movable groove (5), a positioning lug (7) is movably installed on the movable groove (5) through the compression spring (6), a positioning groove (8) is formed in the side surface of the die core (3), one end of the positioning lug (7) is installed inside the positioning groove (8), a strong magnetic ring (4) is embedded in the side surface of the die core (3), the strong magnetic ring (4) is in contact with the side surface of the die main body (1), a limiting bulge (9) is integrally formed in the side surface of the side cover plate (2), a limiting groove (10) matched with the limiting bulge (9) is formed in the side surface, close to the side cover plate (, an inner hexagonal screw (11) is connected between the die main body (1) and the side cover plate (2) in a screwing manner.

2. The mold of claim 1, wherein the mold core is replaceable, the mold core comprising: the side surface of side apron (2) installs hydraulic cylinder (12) through the bolt, the output shaft of hydraulic cylinder (12) runs through side apron (2) and is fixed with push pedal (13), the inside of mould main part (1) is provided with ejector pin (14), the one end that ejector pin (14) run through mold core (3) is fixed with stripper plate (15), buffer spring (16) have been cup jointed with the one end of push pedal (13) contact in ejector pin (14).

3. The mold of claim 2, wherein the mold core is easily replaced by: the end part of the stripper plate (15) is of an arc-shaped structure, one end of the buffer spring (16) is fixedly connected with the die body (1), and the other end of the buffer spring (16) is fixedly connected with the ejector rod (14).

4. The mold of claim 1, wherein the mold core is replaceable, the mold core comprising: two movable grooves (5) are formed in the inner wall of the die main body (1), and the two movable grooves (5) are symmetrical about the center line of the die main body (1).

5. The mold of claim 1, wherein the mold core is replaceable, the mold core comprising: the cross sections of the limiting bulges (9) and the limiting grooves (10) are both circular structures, and the outer diameters of the limiting bulges (9) are 1mm smaller than the inner diameters of the limiting grooves (10).