CN218985546U

CN218985546U - Compass panel injection mold

Info

Publication number: CN218985546U
Application number: CN202223129632.7U
Authority: CN
Inventors: 曹海斌
Original assignee: Suzhou Thinkrisen & Beal Solutions Precision Machinery Co ltd
Current assignee: Suzhou Thinkrisen & Beal Solutions Precision Machinery Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-05-09
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses an injection mold for a compass panel, which relates to the technical field of injection molds and comprises a movable mold and a fixed mold, wherein a pouring pipeline is arranged in the movable mold, two groups of symmetrical guide holes are arranged on the movable mold, and guide rods matched with the guide holes are arranged on the fixed mold. According to the utility model, the upper cavity assembly and the lower cavity assembly are arranged, so that injection molding liquid can enter the first flow groove through the pouring pipeline, the injection molding liquid flows into the second flow groove in the buffer of the first flow groove, then the second flow groove is filled in the molding cavity formed by the first cavity and the second cavity, and under the action of the mold core, an assembly hole is formed in the molding part, so that the injection molding liquid injected into the molding cavity can be buffered, the whole molding cavity can be smoothly filled with the injection molding liquid, the defects such as air holes cannot occur on the molding part, and the injection molding quality of the panel is ensured.

Description

Compass panel injection mold

Technical Field

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

Background

The compass that sell in the market mostly comprises panel, pivot, magnetism pointer etc. and the panel is mostly PE material, forms by injection mold injection molding, and at present, the most monolithic manufacturing of injection mold that the panel used is directly carried the die cavity through the pouring pipeline with the injection molding liquid, and rethread cooling shaping makes, because injection mold adds the injection molding liquid by screw injection device mostly, this just leads to the pouring pipeline in the injection molding liquid enter into and can produce great impulsive force to lead to defect such as gas pocket appear on the panel finished product spare, influence product quality. For this reason, we provide compass panel injection molds that solve the above problems.

Disclosure of Invention

Technical problem to be solved

The utility model aims to make up the defects of the prior art and provides a compass panel injection mold.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a compass panel injection mold, includes movable mould and stationary mould, set up the pouring pipeline in the movable mould, set up in two sets of symmetrical guiding hole on the movable mould, install on the stationary mould with guiding hole assorted guide bar, be provided with on the movable mould and be used for fashioned last die cavity subassembly, be provided with in the movable mould and be used for work piece refrigerated cooling subassembly.

The cooling assembly comprises two groups of cooling cavities arranged in the movable mould, a circulation pipeline arranged in the movable mould and a circulating water pipe, wherein the two cooling cavities are communicated through the circulation pipeline, and the circulating water pipe is communicated with the cooling cavities.

The cavity assembly comprises a first flow groove arranged on the movable mould, a second flow groove arranged on the movable mould and a first split cavity arranged on the movable mould, wherein the first flow groove is communicated with the pouring pipeline, and two end parts of the second flow groove are communicated with the first flow groove and the first split cavity.

The die comprises a fixed die and is characterized in that a lower die cavity assembly for molding is arranged on the fixed die, the lower die cavity assembly comprises a second cavity formed in the fixed die and a core arranged in the second cavity, the second cavity is matched with the first cavity, and a blanking assembly for automatic blanking is further arranged on the fixed die.

The blanking assembly comprises an operation cavity formed in the fixed die, a linkage plate slidingly connected in the operation cavity, and a push rod arranged on the linkage plate, wherein two groups of guide rods are slidingly connected in the linkage plate, both ends of the guide rods are connected with the inner wall of the operation cavity, and one end of the push rod, far away from the linkage plate, penetrates through the fixed die and extends into the second cavity.

The blanking assembly further comprises a hinging block arranged on the linkage plate and an electric push rod arranged on the fixed die, the telescopic end of the electric push rod is fixedly connected with a lifting block, two hinging rods are hinged to the lifting block, and one end, far away from the lifting block, of each hinging rod is hinged to the hinging block.

The beneficial effects are that:

compared with the prior art, the compass panel injection mold has the following beneficial effects:

according to the utility model, the upper cavity assembly and the lower cavity assembly are arranged, so that injection molding liquid can enter the first flow groove through the pouring pipeline, the injection molding liquid flows into the second flow groove in the buffer of the first flow groove, then the second flow groove is filled in the molding cavity formed by the first cavity and the second cavity, and under the action of the mold core, an assembly hole is formed in the molding part, so that the injection molding liquid injected into the molding cavity can be buffered, the whole molding cavity can be smoothly filled with the injection molding liquid, the defects such as air holes cannot occur on the molding part, and the injection molding quality of the panel is ensured.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

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

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic view of the structure of the fixed die of the utility model;

fig. 4 is a cross-sectional view of a left side view of the moving mold of the present utility model.

In the figure: 1. a movable mold; 2. setting a mold; 3. pouring a pipeline; 4. a guide hole; 5. a first flow channel; 6. a second flow channel; 7. a first sub-chamber; 8. a cooling chamber; 9. a circulating water pipe; 10. a guide rod; 11. a second sub-body cavity; 12. a core; 13. an electric push rod; 14. an operating chamber; 15. a linkage plate; 16. a guide rod; 17. a hinge block; 18. a hinge rod; 19. a lifting block; 20. and (5) a push rod.

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.

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a compass panel injection mold, including moving mould 1 and fixed mould 2, set up pouring pipeline 3 in moving mould 1, set up on moving mould 1 and locate two sets of symmetrical guiding hole 4, install on the fixed mould 2 with guiding hole 4 assorted guide bar 10, utilize guiding hole 4 and guide bar 10 can guarantee the stability under moving mould 1 and the fixed mould 2 compound die state, be provided with on the moving mould 1 and be used for fashioned last die cavity subassembly, be provided with the cooling subassembly that is used for the work piece refrigerated in the moving mould 1.

The cooling assembly comprises two groups of cooling cavities 8 arranged in the movable mould 1, a circulation pipeline arranged in the movable mould 1 and a circulating water pipe 9, wherein the two cooling cavities 8 are communicated through the circulation pipeline, the circulating water pipe 9 is communicated with the cooling cavities 8, the cooling cavities 8 are matched with the first split cavity 7 in position, cold water can be circularly conveyed into the cooling cavities 8 by using the circulating water pipe 9, the formed part is cooled by using the cold water, and the positions of the cooling cavities 8 and the pouring pipeline 3 are far away from each other, so that the injection molding liquid in the pouring pipeline 3 is not influenced.

The cavity assembly comprises a first flow groove 5 formed in the movable die 1, a second flow groove 6 formed in the movable die 1 and a first split cavity 7 formed in the movable die 1, wherein the first flow groove 5 is communicated with the pouring pipeline 3, two ends of the second flow groove 6 are respectively communicated with the first flow groove 5 and the first split cavity 7, the second flow groove 6 is arranged at two ends of the first flow groove 5, and a residual cavity with one independent end can be formed in the first flow groove 5 to collect redundant injection molding liquid.

The fixed die 2 is provided with a lower cavity assembly for molding, the lower cavity assembly comprises a second cavity part 11 arranged on the fixed die 2 and a core 12 arranged in the second cavity part 11, the second cavity part 11 is matched with the first cavity part 7, the fixed die 2 is also provided with a blanking assembly for automatic blanking, the second cavity part 11 and the first cavity part 7 are matched to form a molding cavity, and the core 12 is positioned in the second cavity part 11 to form a mounting hole on a molding part.

The unloading subassembly is including seting up in the operation chamber 14 of fixed mould 2, sliding connection in the linkage board 15 of operation intracavity 14, install ejector pin 20 on linkage board 15, sliding connection has two sets of guide bars 16 in linkage board 15, and the both ends of guide bar 16 are all connected with the inner wall of operation chamber 14, the one end that linkage board 15 was kept away from to ejector pin 20 runs through fixed mould 2 and extends to in the second minute body 11, utilize guide bar 16 can promote the stability that linkage board 15 removed, set up in the fixed mould utensil 2 and can hold the hole of ejector pin 20, when the unloading is needed, can pass this hole with ejector pin 20 and push out the moulded piece from the second minute body 11.

The blanking assembly further comprises a hinging block 17 arranged on the linkage plate 15, an electric push rod 13 arranged on the fixed die 2, a lifting block 19 is fixedly connected to the telescopic end of the electric push rod 13, two hinging rods 18 are hinged to the lifting block 19, one end, away from the lifting block 19, of the hinging rod 18 is hinged to the hinging block 17, the telescopic end of the electric push rod 13 drives the lifting block 19 to move, and under the action of the hinging rod 18, the hinging block 17 can push the linkage plate 15 to move.

Working principle: firstly, the movable mould 1 is moved transversely by pushing equipment, the movable mould 1 is attached to the fixed mould 2, then, the second cavity 11 is contacted with the first cavity 7 to form a forming cavity for forming, then, injection molding liquid is conveyed to the first flow groove 5 through the pouring pipeline 3, injection molding liquid flows into the forming cavity through the first flow groove 5 and the second flow groove 6, excessive injection molding liquid stays in the first flow groove 5 and the second flow groove 6, an assembly hole is formed on a forming part under the action of the core 12, injection molding liquid injected into the forming cavity can be buffered, the whole forming cavity can be filled with injection molding liquid gently, the defects of air holes and the like can not occur on the forming part, the injection molding quality of a panel is ensured, then, cold water is conveyed into the cooling cavity 8 through the circulating water pipe 9, the forming part is cooled, the movable mould 1 is far away from the fixed mould 2 by pushing equipment, finally, the electric push rod 13 is started, the moving end of the electric push rod 13 drives the telescopic end of the electric push rod 19, the telescopic end of the telescopic rod 19 can be driven by the telescopic rod 17, the telescopic rod can be inserted into the inner cavity 15, and the inner part of the hinge plate 15 can be driven by the hinge plate 15, and the hinge plate can be inserted into the hinge plate 15.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "fixedly attached," "mounted," "connected," and "coupled" are to be construed broadly, e.g., as a fixed connection, as a removable connection, or as an integral connection; "coupled" may be either mechanical or electrical; the "connection" may be direct, indirect via an intermediary, or communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

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. The utility model provides a compass panel injection mold, includes movable mould (1) and cover half utensil (2), its characterized in that: a pouring pipeline (3) is arranged in the movable mould (1), an upper cavity component for forming is arranged on the movable mould (1), and a cooling component for cooling a workpiece is arranged in the movable mould (1);

the cavity assembly comprises a first flow groove (5) formed in the movable die (1), a second flow groove (6) formed in the movable die (1) and a first split cavity (7) formed in the movable die (1), the first flow groove (5) is communicated with the pouring pipeline (3), and two end parts of the second flow groove (6) are communicated with the first flow groove (5) and the first split cavity (7);

be provided with the lower die cavity subassembly that is used for fashioned on cover half mould (2), lower die cavity subassembly is including seting up second minute body cavity (11) on cover half mould (2), install core (12) in second minute body cavity (11), second minute body cavity (11) with first minute body cavity (7) assorted, still be provided with the unloading subassembly that is used for automatic unloading on cover half mould (2).

2. The compass panel injection mold of claim 1, wherein: the movable mold (1) is provided with two groups of symmetrical guide holes (4), and the fixed mold (2) is provided with guide rods (10) matched with the guide holes (4).

3. The compass panel injection mold of claim 1, wherein: the cooling assembly comprises two groups of cooling cavities (8) arranged in the movable die (1), a circulation pipeline arranged in the movable die (1) and a circulating water pipe (9), wherein the two cooling cavities (8) are communicated through the circulation pipeline, and the circulating water pipe (9) is communicated with the cooling cavities (8).

4. The compass panel injection mold of claim 1, wherein: the blanking assembly comprises an operation cavity (14) formed in the fixed die (2), a linkage plate (15) connected in the operation cavity (14) in a sliding mode, and a push rod (20) arranged on the linkage plate (15), wherein two groups of guide rods (16) are connected in the linkage plate (15) in a sliding mode, two ends of the guide rods (16) are connected with the inner wall of the operation cavity (14), and one end, far away from the linkage plate (15), of the push rod (20) penetrates through the fixed die (2) and extends into the second cavity (11).

5. The compass panel injection mold of claim 4, wherein: the blanking assembly further comprises a hinging block (17) arranged on the linkage plate (15), and an electric push rod (13) arranged on the fixed die (2), wherein the telescopic end of the electric push rod (13) is fixedly connected with a lifting block (19), two hinging rods (18) are hinged to the lifting block (19), and one end, far away from the lifting block (19), of the hinging rod (18) is hinged to the hinging block (17).