CN220973183U

CN220973183U - Injection mold

Info

Publication number: CN220973183U
Application number: CN202321738004.0U
Authority: CN
Inventors: 何财招
Original assignee: Shengzhou Hongrui Precision Graphite Mould Co ltd
Current assignee: Shengzhou Hongrui Precision Graphite Mould Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-05-17
Anticipated expiration: 2033-07-05

Abstract

The utility model relates to the technical field of molds and discloses an injection mold, which comprises an injection molding base, wherein the upper end of the injection molding base is fixedly connected with two fixing frames, two movable rods are movably connected between the two fixing frames, the upper ends of the corresponding movable rods between the two fixing frames are movably connected with two threaded rods, two injection molds are connected between the two movable rods and the two threaded rods through threaded blocks in a threaded manner, threaded loop bars are arranged between the bottoms of the two injection molds and the fixing frames, anti-sticking mechanisms are arranged at the bottoms of the two injection molds, and after injection molding, an injection molded article is clamped inwards through an extrusion block by utilizing one end which is not stuck, so that the injection molded article clamped by the extrusion block rotates along with the rotation of a rotating disc, the injection molded article is separated from the inner wall of the injection mold by utilizing the rotating force, and the article in the injection mold is prevented from being damaged by manual dragging.

Description

Injection mold

Technical Field

The utility model relates to the technical field of molds, in particular to an injection mold.

Background

Injection molding machines are also known as injection molding machines or injection molding machines. It is a main forming equipment for making thermoplastic plastics or thermosetting plastics into various shaped plastic products by using plastic forming mould. The device is divided into vertical type, horizontal type and full-electric type. The injection molding machine can heat plastic, apply high pressure to the molten plastic, make it shoot out and fill up the die cavity, the injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification.

However, after the internal part of the existing injection mold is cooled, solidified and formed, the injection molded article can be mutually adhered to the inner wall of the injection mold, so that the injection molded article cannot fall off, however, the existing injection mold is manually demolded, and huge outward impact force is utilized to possibly damage the injection molded article, so that the injection mold is provided.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an injection mold, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold, includes the base of moulding plastics, the upper end fixedly connected with of base of moulding plastics two mounts, and swing joint has two movable rods between two mounts, and the upper end swing joint that corresponds the movable rod between two mounts has two threaded rods, and has two injection mold through screw thread piece threaded connection between two movable rods and the two threaded rods, and is provided with the screw thread loop bar between two injection mold bottoms and the mount, and the bottom of two injection mold is provided with antiseized sticking mechanism.

Preferably, the two threaded rods are fixedly connected with the rotating rod at the outer ends of the fixing frame, and the directions of threads at the two ends of the threaded rods corresponding to the two threaded blocks are opposite.

Preferably, the two injection molds are symmetrical to each other, and injection openings are formed in the top ends of the connection positions of the two injection molds.

Preferably, the bottom of two injection mold is provided with the rolling disc, and the bottom of rolling disc is in the same place through L shape connecting block and injection mold's lateral wall swing joint, and the bottom fixedly connected with second threaded rod of rolling disc, and the one end fixedly connected with screw thread loop bar that two mounts are mutually, and screw thread loop bar and second threaded rod threaded connection are in the same place.

Preferably, the anti-sticking mechanism comprises a mounting groove, a spring and an extrusion block, wherein the mounting groove is formed in the side wall of the rotating disc, the spring is movably connected in the mounting groove and surrounds the inside of the mounting groove of the rotating disc in a ring shape, the extrusion block is movably inserted on the outer wall of the rotating disc, and the extrusion block penetrates through the mounting groove and extends to the inside of the rotating disc.

Preferably, one end of the extrusion block positioned at the outer side of the rotating disc is provided with an arc-shaped groove, the arc-shaped groove is movably connected with the annular spring, the extrusion block is provided with a gear groove, the side wall of the rotating disc is movably connected with a plug-in block corresponding to the extrusion block, and the plug-in block is movably clamped with the gear groove.

(III) beneficial effects

Compared with the prior art, the utility model provides an injection mold, which has the following beneficial effects:

1. After the injection mold is subjected to injection molding, one end which is not adhered is utilized to clamp an injection molded article inwards through the extrusion block, then the threaded rods on two sides are utilized to rotate, so that the rotating disc rotates in the moving process, the injection molded article clamped by the extrusion block rotates along with the rotation of the rotating disc, the injection molded article is separated from the inner wall of the injection mold by utilizing the rotating force, and the damage to the article in the injection mold by manual utilization and dragging is prevented.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of an injection mold according to the present utility model;

Fig. 3 is a schematic view of a rotating disc according to the present utility model.

In the figure: 1. injection molding of the base; 2. a fixing frame; 3. a movable rod; 4. a threaded rod; 5. an injection mold; 6. a threaded sleeve rod; 7. a rotating rod; 8. a rotating disc; 9. a second threaded rod; 10. an injection molding port; 11. a mounting groove; 12. a spring; 13. extruding a block; 14. a gear groove; 15. and (5) plugging the blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an injection mold comprises an injection molding base 1, wherein two fixing frames 2 are fixedly connected to the upper end of the injection molding base 1, two movable rods 3 are movably connected between the two fixing frames 2, two threaded rods 4 are movably connected to the upper ends of the corresponding movable rods 3 between the two fixing frames 2, two injection molds 5 are connected between the two movable rods 3 and the two threaded rods 4 through threaded blocks in a threaded manner, threaded sleeve rods 6 are arranged between the bottom ends of the two injection molds 5 and the fixing frames 2, anti-sticking mechanisms are arranged at the bottom ends of the two injection molds 5, the two fixing frames 2 are supported by the injection molding base 1, the two injection molds 5 are combined on the threaded rods 4, then the injection molds 5 are fed, after cooling molding, the molded articles are demolded by the anti-sticking mechanisms at the bottom ends of the injection molds 5, and the molded articles are prevented from being stuck on the inner walls of the injection molds 5.

Further, the two threaded rods 4 are fixedly connected with the rotating rods 7 at the outer ends of the fixing frame 2, the thread directions of the two ends of the threaded rods 4 corresponding to the two thread blocks are opposite, and after injection molding, the threaded rods 4 are rotated by utilizing the rotation of the rotating rods 7, so that the thread blocks move towards the two ends, and the injection mold 5 is opened.

Further, the two injection molds 5 are symmetrical to each other, and the injection port 10 is formed at the top end of the connection position of the two injection molds 5, and after the two injection molds 5 are combined, the injection port 10 can be formed at the upper end for injection feeding.

Further, the bottom of two injection mold 5 is provided with rolling disc 8, and the bottom of rolling disc 8 is through L shape connecting block and injection mold 5's lateral wall swing joint together, and rolling disc 8's bottom fixedly connected with second threaded rod 9, and the one end fixedly connected with screw thread loop bar 6 that two mounts 2 are mutually, and screw thread loop bar 6 and second threaded rod 9 threaded connection together, after injection molding article cooling shaping, injection mold 5 and shaping article each other that have one end paste, pull out jack block 15 with the injection mold 5 that the other end did not paste, make spring 12 carry out the centre gripping to the shaping article with extrusion piece 13, then through rotating bull stick 7, make injection mold 5 outwards expand, make rolling disc 8 receive the influence of screw thread loop bar 6, remove second threaded rod 9 on screw thread loop bar 6, the in-process, make rolling disc 8 rotate, thereby drive the shaping article and rotate, make the shaping article break away from the inner wall of injection mold 5 through the rotation power and paste.

Further, the anti-sticking mechanism comprises a mounting groove 11, a spring 12 and an extrusion block 13, the mounting groove 11 is formed in the side wall of the rotating disc 8, the spring 12 is movably connected in the mounting groove 11, the spring 12 is annular and surrounds the inside of the mounting groove 11 of the rotating disc 8, the extrusion block 13 is movably inserted on the outer wall of the rotating disc 8, and the extrusion block 13 penetrates through the mounting groove 11 and extends to the inside of the rotating disc 8.

Further, one end of the extrusion block 13 located at the outer side of the rotating disc 8 is provided with an arc-shaped groove, the arc-shaped groove is movably connected with the annular spring 12, the extrusion block 13 is provided with a gear groove 14, the side wall of the rotating disc 8 is movably connected with a plug-in block 15 corresponding to the extrusion block 13, and the plug-in block 15 is movably clamped with the gear groove 14.

Working principle: the two fixing frames 2 are supported by the injection molding base 1, the two injection molds 5 are combined on the threaded rod 4, then the injection molds 5 are internally fed, after cooling molding, the molded articles are demolded by the anti-sticking mechanism at the bottom end of the injection molds 5, the molded articles are prevented from being stuck on the inner wall of the injection molds 5, after injection molding, the threaded rod 4 is rotated by the rotation of the rotating rod 7, so that the threaded blocks move towards the two ends, the injection molds 5 are opened and opened, the injection molding opening 10 can be formed at the upper end after combining the two injection molds 5, when the injection molds are cooled and molded, the injection molds 5 with one ends are stuck with the molded articles, the inserting blocks 15 are pulled out by the injection molds 5 without sticking the other ends, the springs 12 clamp the molded articles, then the injection molds 5 are outwards unfolded by rotating the rotating rod 7, the rotating disc 8 is influenced by the threaded sleeve rod 6, the second threaded rod 9 is moved on the threaded sleeve rod 6, the rotating disc 8 is rotated in the moving process, and the molded articles are driven to rotate, and the molded articles are separated from the inner wall of the injection molds through the rotation force of the rotating sleeve rod 5.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Injection mold, including injection base (1), its characterized in that: the upper end fixedly connected with two mount (2) of base (1) of moulding plastics, and swing joint has two movable rods (3) between two mount (2), and correspond upper end swing joint of movable rod (3) have two threaded rods (4) between two mount (2), and have two injection mold (5) through screw thread piece threaded connection between two movable rods (3) and two threaded rods (4), and be provided with screw thread loop bar (6) between two injection mold (5) bottom and mount (2), and the bottom of two injection mold (5) is provided with antiseized subsides mechanism.

2. An injection mold according to claim 1, wherein: the two threaded rods (4) are fixedly connected with the rotating rods (7) at the outer ends of the fixing frames (2), and the directions of threads at the two ends of the threaded rods (4) corresponding to the two threaded blocks are opposite.

3. An injection mold according to claim 1, wherein: the two injection molds (5) are symmetrical, and injection openings (10) are formed in the top ends of the connecting positions of the two injection molds (5).

4. An injection mold according to claim 3, wherein: the bottom of two injection mold (5) is provided with rolling disc (8), and the lateral wall swing joint of rolling disc (8) and injection mold (5) is in the same place through L shape connecting block, and the bottom fixedly connected with second threaded rod (9) of rolling disc (8), and the one end fixedly connected with screw thread loop bar (6) that two mount (2) are mutually, and screw thread loop bar (6) and second threaded rod (9) threaded connection are in the same place.

5. An injection mold according to claim 4, wherein: the anti-sticking mechanism comprises a mounting groove (11), a spring (12) and an extrusion block (13), wherein the mounting groove (11) is formed in the side wall of the rotating disc (8), the spring (12) is movably connected in the mounting groove (11), the spring (12) is annular and surrounds the inside of the mounting groove (11) of the rotating disc (8), the extrusion block (13) is movably inserted on the outer wall of the rotating disc (8), and the extrusion block (13) penetrates through the mounting groove (11) and extends into the rotating disc (8).

6. An injection mold as claimed in claim 5, wherein: the one end that extrusion piece (13) are located the rolling disc (8) outside is established to the arc groove, and arc groove and annular spring (12) swing joint are in the same place, and has seted up gear groove (14) on extrusion piece (13), and the position swing joint that corresponds extrusion piece (13) on the lateral wall of rolling disc (8) has grafting piece (15), and grafting piece (15) and gear groove (14) swing joint are in the same place.