CN205705030U - Bulk plastic box handle injection mould - Google Patents

Abstract

The utility model relates to a handle injection mold for a large plastic finishing box. It includes a fixed mold assembly and a movable mold assembly. The fixed mold assembly is provided with an injection port that matches the nozzle of the injection molding machine. It is characterized in that the fixed mold assembly includes a detachable fixed connection. A fixed mold plate and an upper mold plate, the movable mold assembly includes a lower mold plate and a movable mold fixed plate that are detachably fixedly connected, and a discharge assembly is arranged between the lower mold plate and the movable mold fixed plate, and the like. The utility model has the advantages of simple structure, reasonable design, convenient use, high product qualification rate and high raw material utilization rate.

Description

Handle Injection Mold for Large Plastic Organizer

technical field

The utility model belongs to the technical field of mold equipment, in particular to a handle injection mold for a large plastic finishing box.

Background technique

Injection mold is a tool for producing plastic products; it is also a tool for giving plastic products a complete structure and precise dimensions. Specifically, it refers to injecting heated and melted materials into the mold cavity by high pressure, and obtaining molded products after cooling and solidification. For example, the injection mold for the storage box used to produce the storage box is mainly composed of two parts: a moving mold and a fixed mold. The moving mold is installed on the moving template of the injection molding machine, and the fixed mold is installed on the fixed template of the injection molding machine. During injection molding, the movable mold and the fixed mold are closed to form the gating system and the cavity, and the movable mold and the fixed mold are separated to take out the plastic product when the mold is opened.

Chinese patent literature discloses a material box injection mold [application number: 201510550458.9], including a fixed mold base plate, a fixed mold plate, a cavity plate, a movable mold plate and a movable mold base plate, the fixed mold base plate, a fixed mold plate, a cavity plate, The movable formwork and the movable formwork bottom plate are arranged sequentially from top to bottom, the fixed formwork is provided with a screw one, and the fixed formwork is respectively fixedly connected with the fixed formwork bottom plate and the cavity plate through the screw one, and the fixed formwork bottom plate is provided with A sprue sleeve, a positioning ring is arranged on the outside of the sprue sleeve, and the positioning ring is fixedly connected with the bottom plate of the fixed mold. A hot runner plate is arranged under the sprue sleeve, and an injection needle and an adjustment valve are arranged on the hot runner plate. A screw, a core is provided in the cavity plate, a valve and a cavity are provided in the core, a spring and a nut are provided at the lower end of the valve, and the nut is threadedly connected with the valve.

The above solution alleviates the problem of poor stability of the box injection mold to a certain extent, but the structure of the cavity plate cannot be used to make handles, especially handles for large plastic finishing boxes.

Contents of the invention

The purpose of this utility model is to address the above problems and provide a handle injection mold for a large plastic finishing box with reasonable design and compact structure.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a handle injection mold for a large plastic finishing box, including a fixed mold assembly and a moving mold assembly, and the fixed mold assembly is provided with a joint with the injection molding machine. The nozzle is matched with the injection port, and it is characterized in that the fixed mold assembly includes a fixed mold fixed plate and an upper template that are detachably fixedly connected, and the movable mold assembly includes a lower template and a movable mold that are detachably fixedly connected The fixed plate is provided with an unloading assembly between the lower formwork and the movable mold fixed plate. The unloading assembly can move back and forth between the lower formwork and the movable mold fixed plate. There are several upper mold cavities on the upper formwork. There are several lower cavities, the upper cavity corresponds to the lower cavity one by one, the lower template is also provided with an injection flow channel that can communicate with the injection port, the injection flow channel is connected to the lower cavity, and the lower cavity includes the lower cavity. The handle cavity and the lower connection button cavity located on both sides of the lower handle cavity, the injection molding flow channel includes a longitudinal flow channel and several transverse flow channels connected with the longitudinal flow channel, and the longitudinal flow channel communicates with the injection port, The transverse flow channel communicates with the cavity of the lower connecting buckle and the cavity of the lower handle.

In the above-mentioned handle injection mold for a large plastic finishing box, the lower connecting button cavity includes a first connecting button cavity and a second connecting button cavity, the first connecting button cavity is connected to the lower handle cavity, and the second connecting button cavity is connected to the lower handle cavity. The cross-section of the connecting button cavity is circular, and the cross-sectional area of the second connecting button cavity is smaller than that of the first connecting button cavity.

In the above-mentioned handle injection mold for a large plastic finishing box, an upwardly protruding handle core is provided in the cavity of the lower handle, and a plurality of vent holes are provided on the handle core.

In the above-mentioned handle injection mold for a large plastic storage box, the discharge assembly includes a push plate assembly, a plurality of guide posts, push rods and discharge rods that are detachably and fixedly connected to the push plate assembly.

In the above-mentioned handle injection mold for a large plastic finishing box, the push plate assembly includes a front push plate and a rear push plate that are detachably and fixedly connected. A discharge hole matching the shape and size of the discharge rod is provided on the longitudinal channel. When the discharge rod moves toward the direction of the lower formwork, the end of the discharge rod can extend out of the discharge hole.

In the above-mentioned handle injection mold for a large plastic finishing box, the upper cavity includes an upper handle cavity and an upper connecting button cavity communicating with the upper handle cavity, and there are two upper connecting button cavities located on the upper handle On both sides of the mold cavity, a number of inwardly recessed rib cavities are arranged on the top handle mold cavity.

In the above-mentioned injection mold for the handle of a large plastic finishing box, two opposite positioning baffles are arranged between the lower template and the fixed plate of the movable mold, and the lower template, the locating baffle and the fixed plate of the movable mold are In turn detachable fixed connection.

In the above-mentioned handle injection mold for a large plastic finishing box, the bottom of the upper cavity and the bottom of the rib cavity are respectively arc-shaped.

Compared with the existing technology, the utility model has the advantages of simple structure, reasonable design, convenient use, high product qualification rate and high raw material utilization rate.

Description of drawings

Fig. 1 is a structural schematic diagram provided by the utility model.

Fig. 2 is a schematic diagram of the internal structure provided by the utility model.

Fig. 3 is an exploded diagram provided by the utility model.

Fig. 4 is an exploded view of another direction provided by the utility model.

FIG. 5 is an enlarged view of A in FIG. 3 .

FIG. 6 is an enlarged view of B in FIG. 4 .

In the figure: fixed mold assembly 1, movable mold assembly 2, injection port 3, fixed mold fixed plate 4, upper template 5, lower template 6, movable mold fixed plate 7, unloading assembly 8, upper cavity 9, lower mold Cavity 10, injection runner 11, lower handle cavity 12, lower connection button cavity 13, longitudinal flow channel 14, transverse flow channel 15, first connection button cavity 16, second connection button cavity 17, handle type Core 18, exhaust hole 19, push plate assembly 20, guide column 21, push rod 22, discharge rod 23, front push plate 24, rear push plate 25, discharge hole 26, upper handle cavity 27, upper connection buckle Cavity 28 , rib cavity 29 , positioning baffle 30 , workpiece 100 .

detailed description

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described in further detail.

As shown in Figures 1-6, a handle injection mold for a large plastic finishing box includes a fixed mold assembly 1 and a movable mold assembly 2. The fixed mold assembly 1 is provided with a The injection molding port 3, the fixed mold assembly 1 includes a fixed mold fixed plate 4 and an upper template 5 that are detachably fixedly connected, and the movable mold assembly 2 includes a lower template 6 that is detachably fixedly connected and a movable mold fixed plate 7, an unloading assembly 8 is provided between the lower formwork 6 and the movable mold fixed plate 7, and the described unloading assembly 8 can reciprocate between the lower formwork 6 and the movable mold fixed plate 7, and the upper formwork 5 is provided with several The upper cavity 9 and the lower template 6 are provided with several lower cavities 10, the upper cavity 9 corresponds to the lower cavity 10, and the lower template 6 is also provided with an injection flow channel 11 that can communicate with the injection port 3, so The injection molding flow channel 11 communicates with the lower cavity 10, the lower cavity 10 includes a lower handle cavity 12 and the lower connection button cavity 13 located on both sides of the lower handle cavity 12, and the injection molding flow channel 11 includes a longitudinal flow channel 14 and several transverse flow channels 15 communicating with the longitudinal flow channel 14, the longitudinal flow channel 14 communicates with the injection port 3, and the transverse flow channel 15 communicates with the lower connection button cavity 13 and the lower handle cavity 12, that is to say, enters The plastic raw material of the lower cavity 10 enters through two transverse flow channels 15, so that the feeding is rapid and evenly distributed, and the product quality and qualified product rate are improved. Those skilled in the art should understand that the upper cavity 9 and the lower cavity 10 form a cavity, and the injection molded workpiece 100 is located in the cavity.

Specifically, as shown in Figure 5, the lower connecting button cavity 13 includes a first connecting button cavity 16 and a second connecting button cavity 17, the first connecting button cavity 16 communicates with the lower handle cavity 12, and the second connecting button cavity 16 communicates with the lower handle cavity 12. The cross-section of the button cavity 17 is circular, and the cross-sectional area of the second connection button cavity 17 is less than the cross-sectional area of the first connection button cavity 16, and the parts formed by the second connection button cavity 17 are cylindrical. For connecting the plastic box, it can be rotated.

As shown in FIG. 6 , an upwardly protruding handle core 18 is provided in the lower handle cavity 12 to make the inside of the handle hollow and save raw materials. The handle core 18 is provided with a number of vent holes 19 . The unloading assembly 8 includes a push plate assembly 20 and several guide posts 21 , push rods 22 and discharge rods 23 which are detachably and fixedly connected with the push plate assembly 20 .

The push plate assembly 20 includes a front push plate 24 and a rear push plate 25 that are detachably fixedly connected, and a discharge valve is provided on the first connection buckle cavity 16, the lower handle cavity 12, the transverse flow channel 15 and the longitudinal flow channel 14. The shape and size of the rod 23 match the discharge hole 26. When the discharge rod 23 moves towards the direction of the lower template 6, the end of the discharge rod 23 can extend out of the discharge hole 26.

Upper cavity 9 comprises upper handle cavity 27 and upper connection button cavity 28 communicated with upper handle cavity 27, and upper connection button cavity 28 has two and is positioned at the both sides of upper handle cavity 27. The cavity 27 is provided with a number of inwardly recessed rib cavities 29 , and the rib cavities 29 can form outwardly protruding ribs on the handle of the workpiece 100 , thereby improving the strength of the workpiece 100 .

Two opposite positioning baffles 30 are arranged between the lower template 6 and the movable mold fixed plate 7, and the unloading assembly 8 is located between the two positioning baffles 30. The lower template 6, the positioning baffle 30 and the movable The mold fixing plate 7 is detachably fixedly connected successively. The bottom of the upper cavity 9 and the bottom of the rib cavity 29 are arc-shaped respectively, so that the outer surface of the workpiece 100 is smooth without flash and burr.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Although the fixed mold assembly 1, movable mold assembly 2, injection port 3, fixed mold fixed plate 4, upper mold plate 5, lower mold plate 6, movable mold fixed plate 7, unloading assembly 8, upper mold Cavity 9, lower cavity 10, injection runner 11, lower handle cavity 12, lower connection button cavity 13, longitudinal flow channel 14, transverse flow channel 15, first connection button cavity 16, second connection button cavity 17. Handle core 18, vent hole 19, push plate assembly 20, guide column 21, push rod 22, discharge rod 23, front push plate 24, rear push plate 25, discharge hole 26, upper handle cavity 27 , upper connection button cavity 28, rib cavity 29, positioning baffle 30, workpiece 100 and other terms, but the possibility of using other terms is not excluded. These terms are only used to describe and explain the essence of the utility model more conveniently; interpreting them as any kind of additional limitation is contrary to the spirit of the utility model.

Claims (8)

1. a Bulk plastic box handle injection mould, including cover half assembly (1) and Dynamic model assembly (2), described cover half assembly (1) is provided with the nozzle phase with injection machine The injection hole (3) joined, it is characterised in that described cover half assembly (1) includes detachably The fixing cover half fixed plate (4) connected and cope match-plate pattern (5), described dynamic model assembly (2) Including being detachably fixed lower bolster (6) and the dynamic mould fixing plate (7) of connection, at lower bolster And between dynamic mould fixing plate (7), be provided with discharge component (8), described discharging group (6) Part (8) can move back and forth between lower bolster (6) and dynamic mould fixing plate (7), upper mold Plate (5) is provided with some upper impression (9), and lower bolster (6) is provided with some lower impressions (10), upper impression (9) and lower impressions (10) one_to_one corresponding, lower bolster (6) is upper also It is provided with the injection molding channel (11) that can connect, described injection molding channel (11) with injection hole (3) Connection lower impressions (10), under lower impressions (10) includes lower handle die cavity (12) and is positioned at The lower junction button die cavity (13) of handle die cavity (12) both sides, described injection molding channel (11) The transverse flow channels (15) connected with some and longitudinal runners (14) including longitudinal runner (14), Described longitudinal runner (14) connection injection hole (3), under transverse flow channels (15) connection Junction button die cavity (13) and lower handle die cavity (12).

Bulk plastic box handle injection mould the most according to claim 1, its Being characterised by, described lower junction button die cavity (13) includes the first junction button die cavity (16) With the second junction button die cavity (17), the first lower handle die cavity of junction button die cavity (16) connection (12), the circular in cross-section of the second junction button die cavity (17), the second junction button die cavity (17) cross-sectional area is less than the cross-sectional area of the first junction button die cavity (16).

Bulk plastic box handle injection mould the most according to claim 2, its It is characterised by, is provided with, in described lower handle die cavity (12), the handle core raised up (18), described handle core (18) is provided with some steam vents (19).

Bulk plastic box handle injection mould the most according to claim 3, its Be characterised by, described discharge component (8) include push pedal assembly (20) and some with push away Board component (20) is detachably fixed the lead (21) of connection, push rod (22) and discharging Bar (23).

Bulk plastic box handle injection mould the most according to claim 4, its Being characterised by, described push pedal assembly (20) includes the front push pedal being detachably fixed connection (24) and rear push pedal (25), the first junction button die cavity (16), lower handle die cavity (12), Transverse flow channels (15) and longitudinal runner (14) be provided with the shape with discharge arm (23), The dumping pit (26) that size matches, when discharge arm (23) is toward near lower bolster (6) Direction when moving, dumping pit (26) can be extended outward in the end of discharge arm (23).

Bulk plastic box handle injection mould the most according to claim 1, its Being characterised by, described upper impression (9) includes up knob die cavity (27) and and up knob The upper junction button die cavity (28) that die cavity (27) connects, upper junction button die cavity (28) has two Individual and be positioned at the both sides of up knob die cavity (27), up knob die cavity (27) is provided with Some reinforcement die cavities (29) caved inward.

Bulk plastic box handle injection mould the most according to claim 1, its It is characterised by, between described lower bolster (6) and dynamic mould fixing plate (7), is provided with two pieces Opposite positioning baffle (30), described lower bolster (6), positioning baffle (30) and The most dismountable fixing connection of dynamic mould fixing plate (7).

Bulk plastic box handle injection mould the most according to claim 6, its Being characterised by, described upper impression (9) bottom and the bottom of reinforcement die cavity (29) are divided The most curved.