CN218876148U

CN218876148U - Flow passage structure for injection mold

Info

Publication number: CN218876148U
Application number: CN202222474968.0U
Authority: CN
Inventors: 徐黄海
Original assignee: Suzhou Wanxiang Precision Mould Co ltd
Current assignee: Suzhou Wanxiang Precision Mould Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-04-18
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a runner structure for injection mold, including first main part and second main part, the equal fixed mounting in both sides of first main part has the mount pad, the equal fixed mounting in both sides of second main part have with the connecting block of mount pad block, the last fixed surface of mount pad installs reset spring, reset spring's upper end fixedly connected with runs through the solid piece of inserting of mount pad, inserts and pegs graft between solid piece and the connecting block. The utility model provides an electric heating wire sets up in the outside of runner pipe of moulding plastics, through upwards pulling plug firmware, tensile reset spring, the lower extreme that realizes plug firmware breaks away from the inside of connecting block, thereby the convenience is taken out the connecting block from the inside of mount pad, be convenient for separate first main part and second main part, runner pipe of will moulding plastics takes out from the inside of mounting groove, thereby the inside that the heat insulating sleeve is fixed in the heating ring installation has been solved, and cup joint in the outside of hot mouth body, lead to damaging the back and be difficult to dismantle, the problem of inconvenient change or maintenance has been caused.

Description

Flow passage structure for injection mold

Technical Field

The utility model belongs to the technical field of injection mold, concretely relates to runner structure for injection mold.

Background

At present, injection molding is a method for producing and molding industrial products, the products generally adopt rubber injection molding and plastic injection molding, and the injection molding can also be divided into injection molding and die casting methods.

Chinese patent net discloses "an injection mold hot runner structure", both ends all are provided with the material loading mouth around in the middle of the lateral wall on the body, and are two sets of the drainage groove has all been seted up at both ends about the material loading mouth lower extreme, the drainage groove all is located inside the body, hot mouth body is provided with four groups, four groups hot mouth body is located the body lower side wall four corners department respectively, four groups hot mouth body communicates with the drainage groove each other respectively. Although the utility model discloses a through the equal fixed mounting of drainage groove lower extreme at the body have hot mouth body, and hot mouth body lateral wall has all cup jointed the heating ring, can be complete wrap up hot mouth body outside through the heating ring, make hot mouth body all be the state of being heated to can reach the molten state with this internal injection moulding material of hot mouth always, be favorable to more practical use injection mold hot runner structure, comparatively practical is fit for extensively promoting and using. However, the heating ring is fixed inside the heat insulation sleeve and sleeved outside the hot nozzle body, so that the heating ring is difficult to detach after being damaged, and is inconvenient to replace or overhaul. There is a need to design a runner structure for an injection mold to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a runner structure for injection mold to propose the inside that the heating ring installation is fixed in the radiation shield casing among the above-mentioned background of the solution, and cup joint in the outside of hot mouth body, lead to damaging the back and be difficult to dismantle, caused inconvenient change or the problem of overhauing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a runner structure for injection mold, includes first main part and second main part, the mounting groove has all been seted up to the opposite face of first main part and second main part, the inside of mounting groove is provided with the runner pipe of moulding plastics, the outside of the runner pipe of moulding plastics is provided with electric heating wire, the equal fixed mounting in both sides of first main part has the mount pad, the equal fixed mounting in both sides of second main part has the connecting block with the mount pad block, the last fixed surface of mount pad installs reset spring, reset spring's upper end fixedly connected with runs through the solid piece of inserting of mount pad, peg graft between firmware and the connecting block.

Preferably, the injection molding runner pipe is of a U-shaped structure, and the two ends of the injection molding runner pipe are fixedly connected with injection molding heads.

Preferably, the upper surface of the first main body is symmetrically and fixedly provided with pressure pumps, and a pressure port of each pressure pump is fixedly provided with a pressure-increasing pipe communicated with the injection-molding runner pipe.

Preferably, the insertion and fixation piece is of an L-shaped structure, and the insertion and fixation piece is positioned inside the return spring.

Preferably, the top of the injection molding runner pipe is fixedly connected with an injection molding pipe, and a control valve is arranged on a pipeline of the injection molding pipe.

Preferably, the opposite face of first main part and second main part has all been seted up the spacing groove, the outside fixed mounting of the pipe of moulding plastics has the stopper with the spacing groove block.

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

1. the utility model provides an electric heating wire sets up in the outside of runner pipe of moulding plastics, through upwards pulling plug firmware, tensile reset spring, the lower extreme that realizes plug firmware breaks away from the inside of connecting block, thereby the convenience is taken out the connecting block from the inside of mount pad, be convenient for separate first main part and second main part, runner pipe of will moulding plastics takes out from the inside of mounting groove, thereby the inside that the heat insulating sleeve is fixed in the heating ring installation has been solved, and cup joint in the outside of hot mouth body, lead to damaging the back and be difficult to dismantle, the problem of inconvenient change or maintenance has been caused.

2. The utility model provides an inside of mounting groove is arranged in to runner pipe moulds plastics to first main part and second main part all with mould plastics and adopt stopper and spacing groove joint between the pipe, thereby strengthen the fastness of the runner pipe of moulding plastics of installation, guarantee the precision of the work of moulding plastics.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic view of a three-dimensional structure of the connection between the connection block and the mounting base of the present invention;

FIG. 3 is a schematic structural view of the injection molding runner pipe of the present invention connected to the first main body;

in the figure: 1. connecting blocks; 2. a mounting base; 3. a pressure pump; 4. a first body; 5. a control valve; 6. injecting a tube; 7. a second body; 8. a return spring; 9. inserting a firmware; 10. mounting grooves; 11. a pressure increasing pipe fitting; 12. a limiting groove; 13. a limiting block; 14. injection molding a runner pipe; 15. an electric heating wire; 16. an injection molding head.

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.

The first embodiment is as follows:

referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a runner structure for injection mold, including first main part 4 and second main part 7, mounting groove 10 has all been seted up to the opposite face of first main part 4 and second main part 7, the inside of mounting groove 10 is provided with runner pipe 14 of moulding plastics, the outside of runner pipe 14 of moulding plastics is provided with electric heating wire 15, the equal fixed mounting in both sides of first main part 4 has mount pad 2, the equal fixed mounting in both sides of second main part 7 has connecting block 1 with mount pad 2 block, the last fixed surface of mount pad 2 installs reset spring 8, reset spring 8's upper end fixedly connected with runs through solid 9 of inserting of mount pad 2, peg graft between solid 9 and the connecting block 1, runner pipe 14 of moulding plastics is U type structure, and the equal fixedly connected with in both ends of runner pipe 14 of moulding plastics head 16, the last fixed surface symmetry of first main part 4 installs force (forcing) pump 3, every force (forcing) mouth fixed mounting of force (forcing) pump 3 has the pressure boost pipe fitting 11 with runner pipe 14 intercommunication of moulding plastics, it is L type structure to insert solid 9, and insert solid 9 and be located reset spring 8's inside.

As can be seen from the above description, the present invention has the following advantages: electric heating wire establishes 15 and arranges the outside of moulding plastics runner pipe 14 in, insert firmware 9 through upwards pulling, tensile reset spring 8, the lower extreme that realizes inserting firmware 9 breaks away from the inside of connecting block 1, thereby conveniently take out connecting block 1 from the inside of mount pad 2, be convenient for separate first main part 4 and second main part 7, runner pipe 14 will be moulded plastics takes out from the inside of mounting groove 10, thereby the inside of heat insulating sleeve has been fixed in the collar installation, and cup joint in the outside of hot mouth body, lead to damaging the back and be difficult to dismantle, the problem of inconvenient change or maintenance has been caused.

Example two:

referring to fig. 1-3, based on the first embodiment, the present invention provides a technical solution: the top fixedly connected with of the runner pipe 14 of moulding plastics moulds plastics pipe 6, is provided with control valve 5 on the pipeline of the pipe 6 of moulding plastics, and spacing groove 12 has all been seted up to the opposite face of first main part 4 and second main part 7, and the outside fixed mounting of the pipe 6 of moulding plastics has stopper 13 with the 12 blocks of spacing groove.

The utility model provides a runner pipe 14 of moulding plastics arranges the inside of mounting groove 10 in to first main part 4 and second main part 7 all with mould plastics and adopt stopper 13 and spacing groove 12 joint between the pipe 6, thereby strengthen the installation runner pipe 14's of moulding plastics fastness, guarantee the precision of the work of moulding plastics.

The utility model discloses a theory of operation and use flow:

during the use, will mould plastics the raw materials and pour into the inside of the runner pipe 14 of moulding plastics through injection moulding pipe 6, start force (forcing) pump 3 simultaneously, guarantee to mould plastics the raw materials and spout smoothly in the corner of the runner pipe 14 of moulding plastics, make the raw materials of moulding plastics from moulding plastics head 16 injection mold. When the electric heating wire 15 needs to be detached, the inserting piece 9 is firstly pulled upwards, the reset spring 8 is stretched, the lower end of the inserting piece 9 is separated from the inside of the connecting block 1, then the connecting block 1 is taken out from the inside of the mounting seat 2, the first main body 4 is separated from the second main body 7, the injection molding runner pipe 14 is taken out from the inside of the mounting groove 10, the limiting block 13 connected with the injection molding runner pipe 14 is separated from the inside of the limiting groove 12, and finally the electric heating wire 15 is taken down outside the injection molding runner pipe 14.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

The above description is only used for illustrating the technical solutions of the present invention and not for limiting the same, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A runner structure for an injection mould, comprising a first body (4) and a second body (7), characterized in that: mounting groove (10) have all been seted up to the opposite face of first main part (4) and second main part (7), the inside of mounting groove (10) is provided with the runner pipe (14) of moulding plastics, the outside of the runner pipe (14) of moulding plastics is provided with electric heating wire (15), the equal fixed mounting in both sides of first main part (4) has mount pad (2), the equal fixed mounting in both sides of second main part (7) has connecting block (1) with mount pad (2) block, the last fixed surface of mount pad (2) installs reset spring (8), the upper end fixedly connected with of reset spring (8) runs through solid (9) of inserting of mount pad (2), peg graft between solid (9) and connecting block (1).

2. A runner structure for an injection mold according to claim 1, wherein: the injection molding runner pipe (14) is of a U-shaped structure, and injection molding heads (16) are fixedly connected to two ends of the injection molding runner pipe (14).

3. A runner structure for an injection mold according to claim 1, wherein: the upper surface symmetry fixed mounting of first main part (4) has force (forcing) pump (3), every the pressurization mouth fixed mounting of force (forcing) pump (3) have with the pressure boost pipe fitting (11) of moulding plastics runner pipe (14) intercommunication.

4. A runner structure for an injection mold according to claim 1, wherein: the inserting and fixing piece (9) is of an L-shaped structure, and the inserting and fixing piece (9) is located inside the return spring (8).

5. A runner structure for an injection mold according to claim 1, wherein: the top fixedly connected with of the runner pipe of moulding plastics (14) moulds plastics pipe (6), be provided with control valve (5) on the pipeline of the pipe of moulding plastics (6), spacing groove (12) have all been seted up to the opposite face of first main part (4) and second main part (7), the outside fixed mounting of the pipe of moulding plastics (6) has stopper (13) with spacing groove (12) block.