CN217073183U

CN217073183U - High-stability injection mold

Info

Publication number: CN217073183U
Application number: CN202220922364.5U
Authority: CN
Inventors: 陈全平; 张金华; 李胜军
Original assignee: Jiangxi Pucheng Mold Co ltd
Current assignee: Jiangxi Pucheng Mold Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-07-29
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a high-stability injection mold, which comprises an injection lower mold and an injection upper mold, wherein a main guide rod is fixed at the corner of the top surface of the injection lower mold, the injection upper mold is arranged above the injection lower mold, and a guide hole is arranged at the corner of the injection upper mold; the utility model discloses in, through setting up leading pole, the fixed block, the connecting block, assist the guide arm, a spring, the sand grip, jack and guiding hole, when the lower mould of moulding plastics and mould plastics and go up the mould compound die, the guiding hole that mould plastics and set up of mould corner takes place to slide along leading pole, realize the main direction of mould plastics, because welded assistance pole alternates with the jack of connecting block on the fixed block and is connected, and the jack medial surface corresponds assistance pole surface welded sand grip and sets up the opening, make assisting the guide arm can mould plastics the further direction of mould on leading pole's basis, promote the lower mould of moulding plastics and mould plastics the stability of mould compound die state, thereby reduce the lower mould of moulding plastics and mould plastics the shake under the mould compound die state.

Description

High-stability injection mold

Technical Field

The utility model relates to an injection mold technical field especially relates to a high stability type injection mold.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

The guide rod is generally adopted between the fixed die and the movable die of the existing injection mold to perform inserting support and guide, and the shaking phenomenon easily occurs under the die closing state of the fixed die and the movable die, so that the requirement of high stability of the injection mold is difficult to meet by singly adopting the guide rod to perform guide.

Therefore, a high-stability injection mold is provided, which has the advantage of high stability and further solves the problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-stability injection mold.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high stability type injection mold, includes the lower mould of moulding plastics and moulds plastics the mould, the corner of the lower mould top surface of moulding plastics is fixed with leading pole, and the top of the lower mould of moulding plastics is provided with the mould of moulding plastics, the guiding hole has been seted up to the corner of the mould of moulding plastics, and the guiding hole alternates with leading pole and be connected, the side of the lower mould of moulding plastics is fixed with the fixed block, and the welding has the auxiliary guide pole on the fixed block, the side of the mould of moulding plastics is fixed with the connecting block, and has seted up the jack on the connecting block, the jack that assists guide pole and connecting block alternates to be connected, the surface cover of assisting the guide pole is equipped with the spring, the intermediate position of the mould top surface of moulding plastics is provided with the mouth of moulding plastics, the top surface laminating of the lower mould of moulding plastics has the rubber pad, and the underrun adhesive tape of rubber pad bonds with the lower mould plastics mutually.

As a further description of the above technical solution: two through holes are formed in the side faces of the injection molding lower die and the injection molding upper die, and the two through holes are of rectangular structures.

As a further description of the above technical solution: the through-hole has all been seted up in the four corners of rubber pad, and the center department of rubber pad has seted up the hole of stepping down.

As a further description of the above technical solution: the fixed block, the spring and the tutoring rod are provided with two sets, and two sets of fixed blocks, the spring and the tutoring rod are symmetrical about the vertical central line of the lower mould of moulding plastics, the both sides of the upper mould of moulding plastics all are provided with the connecting block.

As a further description of the above technical solution: the surface welding of assisting the guide arm has a plurality of sand grips, correspond the sand grip in the jack of connecting block and seted up a plurality of openings.

As a further description of the above technical solution: inlay on the rubber pad and establish and install two adhesive tapes, and the face of gluing of two adhesive tapes all bonds with the top surface of the lower mould of moulding plastics mutually.

The utility model discloses following beneficial effect has:

in the utility model, by arranging the main guide rod, the fixed block, the connecting block, the auxiliary guide rod, the spring, the convex strip, the jack and the guide hole, when the lower injection mould and the upper injection mould are combined, the guide hole arranged at the corner of the upper injection mould slides along the main guide rod, the main guide of the upper injection mould is realized, because the auxiliary guide rod welded on the fixed block is alternately connected with the jack of the connecting block, and the convex strip welded on the surface of the auxiliary guide rod corresponding to the inner side surface of the jack is provided with the opening, the auxiliary guide rod can further guide the upper injection mould on the basis of the main guide rod, the stability of the combined state of the lower injection mould and the upper injection mould is improved, thereby the shake of the lower injection mould and the combined state of the upper injection mould is reduced, by attaching the rubber strip of the rubber pad to the lower injection mould, the lower injection mould and the upper injection mould can not be in rigid contact, and the spring sleeved on the surface of the auxiliary guide rod can buffer the impact, reduce injection mold chap in surface, damaged phenomenon to increase of service life, simultaneously, all seted up through the mouth through the side at the lower mould of moulding plastics and mould plastics and go up the mould, can promote ventilation effect on injection mold's original cooling system's basis, be favorable to injection mold's quick heat dissipation.

Drawings

Fig. 1 is a schematic structural view of a high-stability injection mold of the present invention;

fig. 2 is a schematic structural diagram of a high-stability injection mold of the present invention;

fig. 3 is a schematic structural diagram of the high-stability injection mold of the present invention.

Illustration of the drawings:

1. injection molding a lower die; 2. a through opening; 3. a main leader; 4. injection molding an upper die; 5. an injection molding nozzle; 6. a fixed block; 7. connecting blocks; 8. an auxiliary guide rod; 9. a spring; 10. a convex strip; 11. a rubber pad; 12. a jack; 13. a guide hole; 14. a hole of abdication; 15. a through hole; 16. and (4) an adhesive tape.

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.

According to the utility model discloses an embodiment provides a high stability type injection mold.

Referring to the drawings and the detailed description, the utility model is further explained, as shown in fig. 1-3, a high-stability injection mold according to the embodiment of the invention comprises an injection lower mold 1 and an injection upper mold 4, a main guide rod 3 is fixed at the corner of the top surface of the injection lower mold 1, the injection upper mold 4 is arranged above the injection lower mold 1, a guide hole 13 is arranged at the corner of the injection upper mold 4, the guide hole 13 is connected with the main guide rod 3 in an inserting manner, a fixed block 6 is fixed at the side surface of the injection lower mold 1, an auxiliary guide rod 8 is welded on the fixed block 6, a connecting block 7 is fixed at the side surface of the injection upper mold 4, a jack 12 is arranged on the connecting block 7, the auxiliary guide rod 8 is connected with the jack 12 of the connecting block 7 in an inserting manner, a spring 9 is sleeved on the surface of the auxiliary guide rod 8, an injection nozzle 5 is arranged at the middle position of the top surface of the injection upper mold 4, a rubber pad 11 is attached to the top surface of the injection lower mold 1, and the bottom surface of the rubber pad 11 is bonded with the lower injection mold 1 through the rubber strip 16, when the lower injection mold 1 and the upper injection mold 4 are closed, the guide hole 13 arranged at the corner of the upper injection mold 4 slides along the main guide rod 3, so as to realize the main guide of the upper injection mold 4, because the auxiliary guide rod 8 welded on the fixed block 6 is in penetrating connection with the jack 12 of the connecting block 7, and the inner side surface of the jack 12 is provided with an opening corresponding to the convex strip 10 welded on the surface of the auxiliary guide rod 8, the auxiliary guide rod 8 can further guide the upper injection mold 4 on the basis of the main guide rod 3, so as to improve the stability of the closing state of the lower injection mold 1 and the upper injection mold 4, thereby reducing the shake of the lower injection mold 1 and the upper injection mold 4 in the closing state, through the rubber strip 16 of the rubber pad 11 being attached to the lower injection mold 1, the lower injection mold 1 and the upper injection mold 4 can not be in hard contact, and the spring 9 sleeved on the surface of the auxiliary guide rod 8 can buffer the impact, the phenomena of chapping and damage of the surface of the injection mold are reduced, so that the service life is prolonged;

in one embodiment, two through holes 2 have been seted up to the side of mould plastics lower mould 1 and mould plastics upper mould 4, and two through holes 2 are the rectangle structure, have all seted up through holes 2 through the side at mould plastics lower mould 1 and mould plastics upper mould 4, can promote ventilation effect on the original cooling system's of injection mold basis, are favorable to injection mold's quick heat dissipation.

In one embodiment, through holes 15 are formed at four corners of the rubber pad 11, and a yielding hole 14 is formed at the center of the rubber pad 11, so that the main guide bar 3 can be yielded through the through holes 15, and the forming cavity of the mold can be yielded through the yielding hole 14.

In one embodiment, two sets of the fixing blocks 6, the springs 9 and the auxiliary guide rods 8 are arranged, the two sets of the fixing blocks 6, the springs 9 and the auxiliary guide rods 8 are symmetrical about a vertical center line of the injection lower die 1, the connecting blocks 7 are arranged on two sides of the injection upper die 4, and the buffering effect in a die closing state can be increased through the two sets of the fixing blocks 6, the springs 9 and the auxiliary guide rods 8.

In one embodiment, the surface of the guide bar 8 is welded with a plurality of protruding strips 10, a plurality of notches are formed in the insertion holes 12 of the connecting block 7 corresponding to the protruding strips 10, and the guide effect of the guide bar 8 can be improved through the plurality of protruding strips 10 and the plurality of notches in the insertion holes 12.

In one embodiment, two rubber strips 16 are embedded in the rubber pad 11, and the rubber surfaces of the two rubber strips 16 are bonded with the top surface of the injection lower die 1, so that the rubber pad 11 can be torn conveniently through the rubber strips 16, and the subsequent replacement of the rubber pad 11 is facilitated.

The working principle is as follows:

when the device is used, the device is installed to a proper position, so that the injection nozzle 5 of the injection upper mold 4 is connected with an injection molding machine, when the injection lower mold 1 and the injection upper mold 4 are matched, the guide hole 13 formed at the corner of the injection upper mold 4 slides along the main guide rod 3, the main guide of the injection upper mold 4 is realized, as the auxiliary guide rod 8 welded on the fixed block 6 is inserted and connected with the jack 12 of the connecting block 7, and the convex strip 10 welded on the surface of the auxiliary guide rod 8 corresponding to the inner side surface of the jack 12 is provided with a notch, the auxiliary guide rod 8 can further guide the injection upper mold 4 on the basis of the main guide rod 3, the stability of the matched state of the injection lower mold 1 and the injection upper mold 4 is improved, thereby the shake of the matched state of the injection lower mold 1 and the injection upper mold 4 is reduced, the rubber strip 16 of the rubber pad 11 is attached to the injection lower mold 1, so that the injection lower mold 1 and the injection upper mold 4 can not be in hard contact, and the spring 9 that 8 surperficial covers of tutor pole were established can cushion the impact, reduces injection mold chap in surface, damaged phenomenon to increase of service life, simultaneously, all seted up through-hole 2 through the side at injection molding lower mould 1 and injection molding upper die 4, can promote ventilation effect on injection mold's original cooling system's basis, be favorable to injection mold's quick heat dissipation.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high stability type injection mold, includes mould plastics lower mould (1) and mould plastics upper die (4), its characterized in that: the corner of the top surface of the lower injection molding die (1) is fixed with a main guide rod (3), an upper injection molding die (4) is arranged above the lower injection molding die (1), a guide hole (13) is formed in the corner of the upper injection molding die (4), the guide hole (13) is alternately connected with the main guide rod (3), a fixed block (6) is fixed on the side surface of the lower injection molding die (1), an auxiliary guide rod (8) is welded on the fixed block (6), a connecting block (7) is fixed on the side surface of the upper injection molding die (4), a jack (12) is formed in the connecting block (7), the auxiliary guide rod (8) is alternately connected with the jack (12) of the connecting block (7), a spring (9) is sleeved on the surface of the auxiliary guide rod (8), an injection nozzle (5) is arranged in the middle position of the top surface of the upper injection molding die (4), and a rubber pad (11) is attached to the top surface of the lower injection molding die (1), and the bottom surface of the rubber pad (11) is bonded with the injection lower die (1) through a rubber strip (16).

2. A high stability injection mold according to claim 1, wherein: two penetrating openings (2) are formed in the side faces of the injection molding lower die (1) and the injection molding upper die (4), and the two penetrating openings (2) are of rectangular structures.

3. A high stability injection mold according to claim 1, wherein: through holes (15) are formed in four corners of the rubber pad (11), and a yielding hole (14) is formed in the center of the rubber pad (11).

4. A high stability injection mold according to claim 1, wherein: fixed block (6), spring (9) and tutor pole (8) are provided with two sets ofly, and two sets of fixed block (6), spring (9) and tutor pole (8) are about moulding plastics lower mould (1) vertical central line symmetry, the both sides of mould (4) all are provided with connecting block (7) on moulding plastics.

5. A high stability injection mold according to claim 1, wherein: the surface welding of assistance-guide pole (8) has a plurality of sand grips (10), correspond sand grip (10) in jack (12) of connecting block (7) and seted up a plurality of openings.

6. A high stability injection mold according to claim 1, wherein: the rubber pad (11) is embedded with two rubber strips (16), and the rubber surfaces of the two rubber strips (16) are bonded with the top surface of the injection molding lower die (1).