Plastic product injection mold

Abstract

The utility model discloses a plastic product injection mold which comprises a working table, a lifting mechanism is arranged on the working table, two mounting seats are arranged between the working table and the lifting mechanism, injection molds are mounted on the mounting seats, and locking assemblies are arranged on the mounting seats. The locking assembly comprises a groove, an extrusion block, a limiting block, a limiting groove, an eccentric wheel and a rotating handle. The utility model relates to the technical field of injection molds, when the injection mold is replaced, after the locking assembly is opened, the rotating handle is rotated to drive the eccentric wheel to rotate, and the elastic force of the spring drives the limiting block to be separated from the limiting groove, so that the injection mold is disassembled without the limitation of the locking assembly on the injection mold; an injection mold needing to be replaced is placed on the mounting base, the rotating handle is rotated to drive the eccentric wheel to rotate, the eccentric wheel drives the limiting block to move to abut against the limiting groove for limiting, the rotating handle is locked through the locking assembly, the injection mold is conveniently disassembled and assembled, operation is easy, and time and labor are saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mould technical field, and the specific field is a plastic product injection mould. BACKGROUND

[0002] The plastic product injection mould is a tool for plastic product injection molding, which is usually composed of two or more molds. In the injection molding process, the plastic particles are heated and melted and then injected into the mold cavity, and the desired plastic product is formed after cooling. The injection mold plays a crucial role in plastic product production, directly affecting the quality, production efficiency and production cost of the product.

[0003] Currently, the existing plastic product injection mold is usually designed and manufactured for a specific shape of product, so a set of mold can usually only produce a specific shape of product. For products of different shapes, different molds need to be designed and manufactured for injection molding. However, the process of changing injection mold is cumbersome, time-consuming and labor-intensive, and it is not convenient to disassemble and install. Therefore, a plastic product injection mold is provided. SUMMARY

[0004] The utility model aims at providing a plastic product injection mold to solve the problem of cumbersome process, time-consuming and labor-intensive, and inconvenient disassembly and installation in the process of changing injection mold.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plastic product injection mold, comprising a workbench, a lifting mechanism is arranged on the workbench, two mounting seats are arranged opposite to each other between the workbench and the lifting mechanism, an injection mold is mounted on the mounting seat, and a locking assembly for limiting the injection mold is arranged on the mounting seat.

[0006] The locking assembly comprises grooves arranged opposite to each other at both ends of the mounting seat, springs are connected to the groove bottoms of the grooves, extrusion blocks are arranged on the grooves, limiting blocks are arranged on the extrusion blocks and penetrate the groove bottoms, limiting grooves are arranged on the injection mold and matched with the limiting blocks, eccentric wheels are rotatably installed at the groove openings of the grooves, and handles are arranged on the eccentric wheels.

[0007] A locking assembly matched with the handle is arranged on the mounting seat.

[0008] Preferably, the lifting mechanism comprises a rack arranged on the workbench, a hydraulic cylinder is arranged at the top of the rack, a connecting seat is arranged at the output end of the hydraulic cylinder, and a plurality of guide rods penetrating the rack are arranged on the connecting seat.

[0009] Preferably, the locking assembly comprises a threaded rod rotatably installed on the mounting seat, an opening matched with the threaded rod is arranged on the handle, and a limiting nut is arranged on the threaded rod.

[0010] Preferably, the cross section of the limiting groove is triangular, and the abutting end of the limiting block is arc-shaped.

[0011] Preferably, the mounting seat is provided with a plurality of positioning holes, and the injection mold is provided with a plurality of positioning rods matched with the positioning holes.

[0012] Compared with the prior art, the beneficial effects of the plastic product injection mold are as follows: when it is necessary to replace the injection mold, the locking assembly is opened, the rotating handle is rotated to drive the eccentric wheel to rotate, the spring force drives the extrusion block and the limiting block to be separated from the limiting groove, the locking of the injection mold by the locking assembly is cancelled, the injection mold to be replaced is placed on the mounting seat, the rotating handle is rotated to drive the eccentric wheel to rotate, the eccentric wheel drives the extrusion block and the limiting block to move and abut against the limiting groove to be limited, and the rotating handle is locked by the locking assembly, so that the injection mold is conveniently disassembled and assembled, the operation is simple, and time and labor are saved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a main sectional view structural schematic diagram of the utility model;

[0014] Figure 2 It is Figure 1 A local enlarged structure schematic diagram of the utility model.

[0015] In the figure: 1, workbench; 2, lifting mechanism; 2-1, rack; 2-2, hydraulic cylinder; 2-3, connecting seat; 2-4, guide rod; 3, mounting seat; 4, injection mold; 5, locking assembly; 5-1, groove; 5-2, extrusion block; 5-3, limiting block; 5-4, limiting groove; 5-5, eccentric wheel; 5-6, rotating handle; 6, locking assembly; 6-1, threaded rod; 6-2, opening; 6-3, limiting nut; 7, positioning hole; 8, positioning rod. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figures 1-2The utility model provides a technical scheme: a plastic product injection mold, including work table 1, work table 1 is equipped with lifting mechanism 2, work table 1 is equipped with two mounting seat 3 between lifting mechanism 2 oppositely, and mounting seat 3 is equipped with injection mold 4 on installation, and mounting seat 3 is equipped with locking assembly 5 for the spacing of injection mold 4, when needing to replace injection mold 4, through the opening and closing of locking assembly 5, injection mold 4 is disassembled and installed, and it is simple to operate, saves time and labour.

[0018] Specifically, locking assembly 5 includes the recess 5-1 oppositely arranged at both ends of mounting seat 3, the groove bottom spring of recess 5-1 is connected with extruding block 5-2, and the limiting block 5-3 of extruding block 5-2 is equipped with the through recess 5-1 groove bottom, and injection mold 4 is equipped with the limiting slot 5-4 compatible with limiting block 5-3, and eccentric wheel 5-5 is rotatably installed at the slot of recess 5-1, and eccentric wheel 5-5 is equipped with handle 5-6, when needing to replace injection mold 4, rotating handle 5-6 drives eccentric wheel 5-5 to rotate, and extruding block 5-2 and limiting block 5-3 are separated from limiting slot 5-4 by the elastic force of spring, the injection mold 4 to be replaced is placed on mounting seat 3, and handle 5-6 is rotated to drive eccentric wheel 5-5 to rotate reversely, so that eccentric wheel 5-5 drives extruding block 5-2 and limiting block 5-3 to move and limit with limiting slot 5-4, which realizes the convenient disassembly and installation of injection mold 4, and it is simple to operate, saves time and labour.

[0019] Specifically, mounting seat 3 is equipped with locking assembly 6 compatible with handle 5-6, and handle 5-6 is locked by locking assembly 6 during use, which effectively avoids the rotation of handle 5-6 and ensures the stability of locking assembly 5 limiting injection mold 4.

[0020] Specifically, lifting mechanism 2 includes rack 2-1 arranged on work table 1, the top of rack 2-1 is equipped with hydraulic cylinder 2-2, the output end of hydraulic cylinder 2-2 is equipped with connecting seat 2-3, connecting seat 2-3 is equipped with a plurality of guide rods 2-4 penetrating rack 2-1, and when using, connecting seat 2-3, mounting seat 3 and injection mold 4 located above are lowered by starting hydraulic cylinder 2-2 on rack 2-1, so that the injection mold located above is attached to the injection mold 4 located below, and the injection of plastic is carried out.

[0021] Specifically, the locking assembly 6 comprises a threaded rod 6-1 rotatably mounted on the mounting seat 3, the rotating handle 5-6 is provided with an opening 6-2 matched with the threaded rod 6-1, and the threaded rod 6-1 is provided with a limiting nut 6-3; after the rotating handle 5-6 is rotated to limit the injection mold 4 by the locking assembly 5, the threaded rod 6-1 is rotated and enters the opening 6-2 in the rotating handle 5-6, and the position of the rotating handle 5-6 is locked by rotating the limiting nut 6-3, thereby effectively preventing the rotating handle 5-6 from rotating and ensuring the stability of the locking assembly 5 limiting the injection mold 4.

[0022] Specifically, the cross section of the limiting groove 5-4 is triangular, and the abutting end of the limiting block 5-3 is arc-shaped; when limiting, the arc-shaped surface of the abutting end of the limiting block 5-3 abuts against the inclined surface of the triangular limiting groove 5-4, so that the limiting block 5-3 limits the injection mold 4 while applying an upward force to the injection mold 4, thereby ensuring the stability of the limiting of the injection mold 4.

[0023] Specifically, the mounting seat 3 is provided with a plurality of positioning holes 7, and the injection mold 4 is provided with a plurality of positioning rods 8 matched with the positioning holes 7; the four positioning rods 8 are arranged in the four positioning holes 7, so that the injection mold 4 is conveniently placed in the installation position on the mounting seat 3, and the position of the injection mold 4 during installation is effectively prevented from deviating.

[0024] Working principle: when the injection mold 4 needs to be replaced, the locking assembly 6 is opened, the rotating handle 5-6 is rotated to drive the eccentric wheel 5-5 to rotate, the spring force drives the extrusion block 5-2 and the limiting block 5-3 to move away from the limiting groove 5-4, the limiting of the injection mold 4 by the locking assembly 5 is cancelled, the injection mold 4 to be replaced is placed on the mounting seat 3, the rotating handle 5-6 is rotated to drive the eccentric wheel 5-5 to rotate reversely, the eccentric wheel 5-5 drives the extrusion block 5-2 and the limiting block 5-3 to move and abut against the limiting groove 5-4 for limiting, and the rotating handle 5-6 is locked by the locking assembly 6, thereby achieving convenient dismounting and installation of the injection mold 4.

[0025] In the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0027] Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A plastic article injection mold characterized by, The utility model provides a kind of injection mould locking device, including workbench (1), the workbench (1) is equipped with lifting mechanism (2), two mounting seats (3) are oppositely provided between the workbench (1) and the lifting mechanism (2), injection mould (4) is installed on the mounting seat (3), locking assembly (5) for limiting injection mould (4) is equipped on the mounting seat (3); The locking assembly (5) includes the recess (5-1) oppositely provided at the two ends of the mounting seat (3), the groove bottom spring of the recess (5-1) is connected with extrusion block (5-2), the extrusion block (5-2) is equipped with the limiting block (5-3) penetrating the groove bottom of the recess (5-1), the injection mould (4) is equipped with the limiting groove (5-4) compatible with the limiting block (5-3), the eccentric wheel (5-5) is rotatably installed at the slot opening of the recess (5-1), the eccentric wheel (5-5) is equipped with the handle (5-6). The mounting seat (3) is equipped with the locking assembly (6) compatible with the handle (5-6).

2. The plastic article injection mold of claim 1, wherein: The lifting mechanism (2) includes the rack (2-1) arranged on the workbench (1), the hydraulic cylinder (2-2) is equipped at the top of the rack (2-1), the output end of the hydraulic cylinder (2-2) is equipped with the connecting seat (2-3), the connecting seat (2-3) is equipped with a plurality of guide rods (2-4) penetrating the rack (2-1).

3. The plastic article injection mold of claim 1, wherein: The locking assembly (6) includes the threaded rod (6-1) rotatably installed on the mounting seat (3), the handle (5-6) is equipped with the opening (6-2) compatible with the threaded rod (6-1), the threaded rod (6-1) is equipped with the limiting nut (6-3).

4. The plastic article injection mold of claim 1, wherein: The cross section of the limiting groove (5-4) is set as triangle, and the abutting end of the limiting block (5-3) is set as arc surface.

5. The plastic article injection mold of claim 1, wherein: The mounting seat (3) is equipped with a plurality of positioning holes (7), and the injection mould (4) is equipped with a plurality of positioning rods (8) compatible with the positioning holes (7).

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