CN220593896U

CN220593896U - Can improve mould structure of reloading speed

Info

Publication number: CN220593896U
Application number: CN202322197757.1U
Authority: CN
Inventors: 冯宁瑜; 王清涛
Original assignee: Sichuan Huarui Zhilian Electronic Technology Co ltd
Current assignee: Sichuan Huarui Zhilian Electronic Technology Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-03-15
Anticipated expiration: 2033-08-16

Abstract

The utility model discloses a die structure capable of improving the replacement speed, which belongs to the field of dies and comprises a die blank part, a die core part and a quick-change device, wherein the die core part comprises a front die base plate, a front die core, a rear die core, a middle support assembly, a thimble panel, a thimble bottom plate and a reset rod, clamping grooves are formed in the side walls of the front die base plate and the rear die base plate, the quick-change device comprises a pressing plate, a sliding plate, a bearing plate and a rotating shaft, the outer diameter of the sliding plate is matched with the inner diameter of the clamping groove, and a spanner hole is formed in the rotating shaft; compared with the traditional injection mold, a plurality of products need to develop a plurality of sets of mold blank parts, the utility model can realize that the plurality of products share one set of mold blank parts, thereby greatly reducing the cost, and simultaneously reducing the manufacturing period of the mold; in addition, due to the organic combination with the quick-change device, the convenience and the efficiency of changing the die are obviously improved.

Description

Can improve mould structure of reloading speed

Technical Field

The utility model relates to the field of dies, in particular to a die structure capable of improving the replacement speed.

Background

The prior injection mold large water gap glue feeding mold structure generally comprises a mold blank part and a mold core part, wherein, as shown in fig. 1 and 2, the mold blank part comprises a panel 1, a front mold plate 2, a rear mold plate 3, square iron 4, a thimble panel 12, a thimble bottom plate 13 and a bottom plate 5, and the mold core part comprises a front mold backing plate 6, a front mold core 7, a rear mold core 8, a rear mold backing plate 9, a middle bracket 14 and a reset rod 15;

wherein, the connection mode of the mould embryo part and the mould core part is as follows: the front die core 7 and the front die backing plate 6 of the die core part are fixed with the front die plate 2 of the die blank part through socket head cap screws B11, and the rear die core 8 and the rear die backing plate 9 of the die core part are fixed with the rear die plate 3 of the die blank part through socket head cap screws A10.

At present, in order to meet the mold opening requirements of various small plastic parts, the prior art generally respectively manufactures different mold blank parts according to different parts, and the cost is high; in addition, the prior art mold change requires disassembly of the entire mold to change the core part, even a simple mold change with fewer parts requires at least 2 hours.

Disclosure of Invention

The present utility model aims to provide a mold structure capable of improving the replacement speed, so as to solve the above problems.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a die structure capable of improving the replacement speed comprises a die blank part, a die core part and a quick-change device; the die blank part comprises a panel, a front template, a rear template, square iron and a bottom plate from top to bottom, wherein the panel and the front template are fixed to form a front die blank part; the square iron is fixedly arranged on the bottom plate and locked on the rear template to form a rear mould blank part; the die core part comprises a front die base plate, a front die core, a rear die base plate, a middle support assembly, a thimble panel, a thimble bottom plate and a reset rod, wherein the thimble panel and the thimble bottom plate are fixed to form an ejection floating assembly, a middle support in the middle support assembly is arranged on the ejection floating assembly, and a middle support edge in the middle support assembly is arranged on the rear die base plate; the side walls of the front die base plate and the rear die base plate are respectively provided with a clamping groove, the quick-change device comprises a pressing plate, a sliding plate, a bearing plate and a rotating shaft, the rotating shaft is inserted into a round hole of the bearing plate, the sliding plate is sleeved on the rotating shaft, namely, the sliding plate is sleeved with the rotating shaft, the pressing plate and the bearing plate are locked at last, the outer diameter of the sliding plate is matched with the inner diameter of the clamping grooves, and the rotating shaft is rotated in a conventional well-known mode, such as an inner hexagonal wrench hole.

Compared with the prior art, the die blank part and the die core part are fixed through screws, and the die blank part and the die core part are connected and fixed through the quick-change device. In addition, the retooling efficiency of this application can accomplish the work of retooling benevolence at 1 hour, and even if the part is more also can accomplish at 1 hour, because the structure of this application belongs to and changes whole die benevolence part.

As a preferable technical scheme: the panel and the front template are fixed through socket head cap screws, and the thimble panel and the thimble bottom plate are fixed through socket head cap screws.

Compared with the prior art, the utility model has the advantages that: compared with the traditional injection mold, a plurality of products need to develop a plurality of sets of mold blank parts, because the utility model has the advantages that the whole mold core part is replaced, namely, different mold core parts need to be developed for different products, but the appearance size and the appearance assembly position of the mold core parts need to be consistent, and the mold core parts can be conveniently and uniformly installed on the mold blank parts of the same model, so that the effect that the plurality of products of the utility model share one set of mold blank part is realized, thereby greatly reducing the cost, and meanwhile, the manufacturing period of the mold blank is reduced; in addition, due to the organic combination with the quick-change device, the convenience and the efficiency of changing the die are obviously improved.

Drawings

FIG. 1 is a right side view of a prior art preform part and a core part assembly of the present utility model;

FIG. 2 is a front view of a prior art preform part and a core part assembled in accordance with the present utility model;

FIG. 3 is a cross-sectional view A-A of FIG. 1;

FIG. 4 is a diagram of a mold structure according to an embodiment of the present utility model;

FIG. 5 is a cross-sectional view B-B of FIG. 4;

FIG. 6 is an assembly view of a mold insert part according to an embodiment of the present utility model;

FIG. 7 is an assembly diagram of a quick-change device and a mold insert according to an embodiment of the present utility model;

FIG. 8 is a block diagram of a quick change device according to an embodiment of the present utility model;

FIG. 9 is a cross-sectional view of C-C of FIG. 8;

FIG. 10 is a schematic diagram of a quick-change device according to an embodiment of the present utility model;

fig. 11 is a top view of a quick-change device according to an embodiment of the utility model.

In the figure: 1. a panel; 2. a front template; 3. a rear template; 4. square iron; 5. a bottom plate; 6, preparing a base material; a front mold backing plate; 7. a front mold core; 8. a rear mold core; 9. a rear die pad plate; 12. a thimble panel; 13; a thimble bottom plate; 14. middle toshima; 15. a reset lever; b. a pressing plate; c. a sliding plate; d. a carrier plate; e. a rotating shaft; f. a clamping groove; g. an inner hexagonal wrench hole; h. a stop surface; i. and a quick-change device.

Description of the embodiments

The utility model will be further described with reference to the accompanying drawings.

Examples

A mold structure capable of improving the replacement speed,

consists of a mould blank part, a mould core part and a quick-change device; the die blank part comprises a panel 1, a front die plate 2, a rear die plate 3, square iron 4 and a bottom plate 5 from top to bottom, wherein the panel 1 and the front die plate 2 are fixed through socket head cap screws to form a front die blank part; the square iron 4 is arranged on the bottom plate 5 and fixed by screws, and then the inner hexagon screws pass through the square iron 4 from the bottom plate 5 to be locked on the rear template 3 to form a rear mould blank part. The front mold blank part and the rear mold blank part cannot be locked in the injection molding process, and the front mold blank part and the rear mold blank part can be produced only by opening and closing the mold;

the die core part is shown in fig. 3 and 4, and comprises a front die backing plate 6, a front die core 7, a rear die core 8, a rear die backing plate 9, a middle support assembly (comprising a middle support edge and a middle support 14), a thimble panel 12, a thimble bottom plate 13 and a reset rod 15, wherein the thimble panel, 12 and the thimble bottom plate 13 are fixed through socket head cap screws to form an ejection floating assembly, the middle support 14 in the middle support assembly is arranged on the ejection floating assembly, and the middle support edge in the middle support assembly is arranged on the rear die backing plate 9;

the side walls of the front die cushion plate 6 and the rear die cushion plate 9 are provided with clamping grooves f,

the quick-change device is shown in fig. 8, 9 and 11, and comprises a pressing plate b, a sliding plate c, a bearing plate d and a rotating shaft e, wherein the rotating shaft e is inserted into a round hole of the bearing plate d, the sliding plate c is sleeved on the rotating shaft e, the pressing plate b and the bearing plate d are finally locked by screws, the outer diameter of the sliding plate c is matched with the inner diameter of the clamping groove f, and an inner hexagonal wrench hole g is formed in the rotating shaft e;

when the manufacturing requirement is that a plurality of types of small injection molding products are manufactured, a small number of sets (1 to 3 sets according to the actual production requirement) of mold blank parts can be manufactured by only replacing the mold core parts.

The method for replacing the die core part in the embodiment comprises the following steps: fixing the quick-change device i on the die core, and turning the stop surface h to the surface A by pulling the rotating shaft e of the quick-change device to enable the sliding plate c to extend into the clamping grooves f of the front die cushion plate 6 and the rear die cushion plate 9 (as shown in figure 7), so that the die core part is fixed on the die blank part (as shown in figure 10); on the contrary, when the stop surface h rotates to the surface B, the sliding plate c can be withdrawn from the clamping groove f, and the die core parts can be detached from the die blank parts, so that the quick assembly and disassembly of each set of die core parts on the die blank parts are realized, and the assembly and disassembly time is only 1h each time.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The die structure capable of improving the replacement speed is characterized by comprising a die blank part, a die core part and a quick-change device; the die blank part comprises a panel, a front template, a rear template, square iron and a bottom plate from top to bottom, wherein the panel and the front template are fixed to form a front die blank part; the square iron is fixedly arranged on the bottom plate and locked on the rear template to form a rear mould blank part; the die core part comprises a front die base plate, a front die core, a rear die base plate, a middle support driver component, an ejector pin panel, an ejector pin bottom plate and a reset rod, wherein the ejector pin panel and the ejector pin bottom plate are fixed to form an ejection floating component, a middle support driver in the middle support driver component is arranged on the ejection floating component, a middle support edge in the middle support driver component is arranged on the rear die base plate, and clamping grooves are formed in the side walls of the front die base plate and the rear die base plate; the quick-change device comprises a pressing plate, a sliding plate, a bearing plate and a rotating shaft, wherein the rotating shaft is inserted into a round hole of the bearing plate, the sliding plate is sleeved with the rotating shaft, the pressing plate is locked with the bearing plate, and the outer diameter of the sliding plate is matched with the inner diameter of the clamping groove.

2. A die structure capable of improving a reloading speed according to claim 1, characterized in that: the panel and the front template are fixed through socket head cap screws, and the thimble panel and the thimble bottom plate are fixed through socket head cap screws.