Accurate positioning injection molding machine mold

Abstract

The utility model relates to the technical field of injection molding machine molds, in particular to a precise positioning injection molding machine mold which comprises a lower fixing plate, a male mold plate arranged at the upper end of the lower fixing plate, a female mold core arranged at the upper end of the male mold plate, a male mold core base plate arranged at the upper end of the female mold core, and a male mold core arranged at the upper end of the male mold core base plate. A stripper plate is arranged above the male mold core, a connecting plate is arranged at the upper end of the stripper plate, a pull rod is arranged at the lower end of the connecting plate, a lower ejector plate is arranged between the lower fixing plate and the male mold plate, an upper ejector plate is arranged at the upper end of the lower ejector plate, and a supporting column is arranged at the upper end of the upper ejector plate; according to the utility model, the connecting plate descends to drive the stripper plate to descend, so that the core insert descends to be assembled with the cavity insert, and the pull rod is inserted into the positioning hole, the positioning block is inserted into the positioning sleeve, the limiting column is inserted into the limiting sleeve and is clamped with the limiting groove, so that the multi-stage limiting and pressing of the core insert are realized, the accurate injection molding is realized, and the problem of glue overflow at the side edge is solved; the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine mould technical field especially relates to accurate positioning's injection molding machine mould. BACKGROUND

[0002] Injection molding machine is the thermoplastic or thermosetting plastics using plastic forming mould and is made into various shapes plastic products main forming equipment, is divided into vertical, horizontal, all electric, usually by injection system, clamping system, hydraulic transmission system, electrical control system, lubrication system, heating and cooling system, safety monitoring system etc., wherein, injection molding machine mould is the important component of injection molding machine, and injection mould is mainly used for the forming of thermoplastic product, and injection molding mould is used, and plastic is first heated and melted in the heating cylinder of injection molding machine, then under the push of injection molding machine screw or piston, into the mould cavity through nozzle and mould pouring system, finally hardens in the cavity and is shaped.

[0003] At present, injection molding machine mould is usually clamped on injection molding machine, and the molten plastic is injected into the forming cavity, and is cooled and shaped in the cavity, then the upper and lower molds are separated, the product is ejected from the mold cavity by the ejection system, and finally the mold is closed for the next injection system, the existing injection molding machine mould is used when processing thin small hardware, and the thin small hardware is difficult to accurately position during injection, and the appearance overflow glue burr is easily generated due to side overflow glue, which affects the product quality and production processing efficiency.

[0004] Therefore, in view of the problem that the injection molding machine mould is difficult to accurately position during injection when processing thin small hardware, and the appearance overflow glue burr is easily generated due to side overflow glue, which affects the product quality and production processing efficiency, an accurate positioning injection molding machine mould can be designed, the mould structure is optimized, the positioning accuracy is improved, and the side overflow glue problem is avoided. INVENTION CONTENTS

[0005] In order to overcome the problem that the injection molding machine mould is difficult to accurately position during injection when processing thin small hardware, and the appearance overflow glue burr is easily generated due to side overflow glue, which affects the product quality and production processing efficiency.

[0006] The technical scheme of the utility model is accurate positioning's injection molding machine mould, including the lower fixed plate, the upper end of lower fixed plate is provided with male template, the upper end of male template is provided with female die core, the upper end of female die core is provided with male die core backing plate, the upper end of male die core backing plate is provided with male die core, the upper of male die core is provided with stripping plate, the upper end of stripping plate is provided with connecting plate, the lower end of connecting plate is provided with pull rod, the lower fixed plate and male template are provided with lower ejector plate between, the upper end of lower ejector plate is provided with upper ejector plate, the upper end of upper ejector plate is provided with support column.

[0007] Preferably, the connecting plate descends, causing the stripper plate to descend, so that the male mold core descends and closes with the female mold core. The tie rod is inserted into the positioning hole, the positioning block is inserted into the positioning sleeve, and the limiting post is inserted into the limiting sleeve and engages with the limiting groove, thereby realizing multi-level limiting and clamping of the male mold core, thus achieving precise injection molding, improving the problem of side overflow, greatly shortening the mold forming cycle time, and improving product quality.

[0008] Preferably, the surface of the female mold core is provided with a female mold insert, and the surface of the male mold core is provided with a male mold insert, with the female mold insert and the male mold insert being mutually compatible.

[0009] Preferably, the male mold core pad and the lower end of the male mold core are matched with each other, and the male mold core pad is provided with ejector pins inside.

[0010] Preferably, the upper side of the template has a positioning hole, the surface of the stripper plate has a sliding hole, the upper end of the pull rod is fixedly connected to the connecting plate, and the lower end of the pull rod extends to the lower end of the stripper plate through the sliding hole. The lower end of the pull rod and the positioning hole are mutually compatible.

[0011] Preferably, a positioning block is fixedly installed on the upper side of the template, and a positioning sleeve is fixedly installed on the lower side of the stripper plate, with the lower end of the positioning sleeve and the positioning block being mutually compatible.

[0012] Preferably, a limiting post is fixedly installed at the lower end of the connecting plate, and a limiting groove is opened on the surface of the stripper plate, with the limiting post and the inner side of the limiting groove slidingly connected.

[0013] Preferably, the upper end of the template is provided with a limiting sleeve, and the lower end of the limiting post and the inner side of the limiting sleeve are mutually adapted.

[0014] The beneficial effects of this utility model are:

[0015] This precision-positioned injection molding machine mold uses a connecting plate to lower the stripper plate, causing the male mold core to descend and close with the female mold core. A pull rod connects to the positioning hole, a positioning block connects to the positioning sleeve, and a limiting post connects to the limiting sleeve and engages with the limiting groove. This achieves multi-level limiting and clamping of the male mold core, thereby enabling precise injection molding, improving the problem of side overflow, significantly shortening the mold forming cycle time, and enhancing product quality. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the injection molding machine mold for precise positioning according to this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of the lower ejector plate and the upper ejector plate of this utility model.

[0018] Figure 3 The diagram shown is a schematic diagram of the assembly of the female mold core of this utility model;

[0019] Figure 4 The public mold core assembly schematic diagram of the utility model is shown.

[0020] Figure 5 The public mold core gasket schematic diagram of the utility model is shown.

[0021] Mark 1, the lower fixed plate; 2, the public mold plate; 21, the positioning hole; 22, the positioning block; 23, the limiting sleeve; 3, the female mold core; 31, the female mold core; 4, the public mold core gasket; 5, the public mold core; 51, the public mold core; 6, the stripping plate; 61, the sliding hole; 62, the positioning sleeve; 63, the limiting slot; 7, the connecting plate; 71, the limiting column; 8, the pull rod; 9, the lower ejector plate; 10, the upper ejector plate; 11, the support column. DETAILED DESCRIPTION

[0022] The utility model is further explained in connection with the drawings and examples.

[0023] Please refer to Figures 1-5 The utility model provides a kind of embodiment: precision positioning injection molding machine mold, including lower fixed plate 1, the upper end of lower fixed plate 1 is provided with public mold plate 2, the upper end of public mold plate 2 is provided with female mold core 3, the upper end of female mold core 3 is provided with public mold core gasket 4, the upper end of public mold core gasket 4 is provided with public mold core 5, the upper of public mold core 5 is provided with stripping plate 6, the upper end of stripping plate 6 is provided with connecting plate 7, the lower end of connecting plate 7 is provided with pull rod 8, lower fixed plate 1 and public mold plate 2 are provided with lower ejector plate 9, the upper end of lower ejector plate 9 is provided with upper ejector plate 10, the upper end of upper ejector plate 10 is provided with support column 11, stripping plate 6 is lowered by connecting plate 7 descending, make public mold core 5 descend and female mold core 3 mold, by pull rod 8 and positioning hole 21 insertion, positioning block 22 and positioning sleeve 62 insertion, limiting column 71 and limiting sleeve 23 insertion, and with limiting slot 63 clamping, realize the multistage location and compression of public mold core 5, to realize accurate injection.

[0024] Please refer to Figures 1-5In the embodiment, the surface of the female die stem 3 is provided with a female die insert 31, the surface of the male die stem 5 is provided with a male die insert 51, the female die insert 31 and the male die insert 51 are matched with each other, the lower end of the male die stem pad plate 4 and the male die stem 5 are matched with each other, the inside of the male die stem pad plate 4 is provided with a ejector pin, the side of the upper end of the male die plate 2 is provided with a positioning hole 21, the surface of the stripping plate 6 is provided with a sliding hole 61, the upper end of the pull rod 8 is fixedly connected with the connecting plate 7, the lower end of the pull rod 8 extends to the lower end of the stripping plate 6 through the sliding hole 61, the lower end of the pull rod 8 and the positioning hole 21 are matched with each other, the lower fixed plate 1 is installed on the injection molding machine, the connecting plate 7 is connected with the lifting assembly, the stripping plate 6 is lowered by the connecting plate 7, the male die stem 5 is lowered and combined with the female die stem 3, the pull rod 8 is inserted with the positioning hole 21, the positioning block 22 is inserted with the positioning sleeve 62, the limiting column 71 is inserted with the limiting sleeve 23 and is clamped with the limiting groove 63, multi-stage limiting and pressing of the male die stem 5 are realized, and thus precise injection molding is realized.

[0025] Please refer to Figures 1-5 In the embodiment, the side of the upper end of the male die plate 2 is fixedly installed with the positioning block 22, the side of the lower end of the stripping plate 6 is fixedly installed with the positioning sleeve 62, the lower end of the positioning sleeve 62 and the positioning block 22 are matched with each other, the lower end of the connecting plate 7 is fixedly installed with the limiting column 71, the surface of the stripping plate 6 is provided with the limiting groove 63, the inside of the limiting column 71 and the limiting groove 63 are slidingly sleeved, the upper end of the male die plate 2 is provided with the limiting sleeve 23, the lower end of the limiting column 71 and the inside of the limiting sleeve 23 are matched with each other, after the injection molding is completed, the male die stem 5 is lifted by the lifting assembly, the ejector pin in the male die stem pad plate 4 is controlled to be ejected by the support column 11 of the upper ejector pin plate 10, and thus the auxiliary stripping of the molded part is realized.

[0026] In the embodiment, the side of the upper end of the male die plate 2 is fixedly installed with the positioning block 22, the side of the lower end of the stripping plate 6 is fixedly installed with the positioning sleeve 62, the lower end of the positioning sleeve 62 and the positioning block 22 are matched with each other, the lower end of the connecting plate 7 is fixedly installed with the limiting column 71, the surface of the stripping plate 6 is provided with the limiting groove 63, the inside of the limiting column 71 and the limiting groove 63 are slidingly sleeved, the upper end of the male die plate 2 is provided with the limiting sleeve 23, the lower end of the limiting column 71 and the inside of the limiting sleeve 23 are matched with each other, after the injection molding is completed, the male die stem 5 is lifted by the lifting assembly, the ejector pin in the male die stem pad plate 4 is controlled to be ejected by the support column 11 of the upper ejector pin plate 10, and thus the auxiliary stripping of the molded part is realized.

[0027] Through the above steps, the stripper plate 6 is lowered by the connecting plate 7, the male die stem 5 is lowered and combined with the female die stem 3, the pull rod 8 is inserted with the positioning hole 21, the positioning block 22 is inserted with the positioning sleeve 62, the limiting column 71 is inserted with the limiting sleeve 23, and is clamped with the limiting groove 63, so that multi-stage limiting and pressing of the male die stem 5 are realized, and accurate injection molding is realized. After the injection molding is completed, the male die stem 5 is lifted by the lifting assembly, the ejector pin in the male die stem pad 4 is controlled by the supporting column 11 at the upper end of the ejector rod plate 10, the auxiliary blanking of the molded part is realized, so as to solve the problems that the mold of the injection molding machine is difficult to accurately position when processing small hardware, and the appearance of the overflow glue is easy to produce overflow glue edge due to the side overflow glue, which affects the product quality and production processing efficiency.

Claims

1. Precise positioning injection molding machine mold, comprising a lower fixed plate (1), characterized in that: The upper end of the lower fixed plate (1) is provided with a male mold plate (2), the upper end of the male mold plate (2) is provided with a female mold core (3), the upper end of the female mold core (3) is provided with a male mold core pad (4), the upper end of the male mold core pad (4) is provided with a male mold core (5), the upper end of the male mold core (5) is provided with a stripping plate (6), the upper end of the stripping plate (6) is provided with a connecting plate (7), the lower end of the connecting plate (7) is provided with a pull rod (8), the lower fixed plate (1) and the male mold plate (2) are provided with a lower ejector plate (9), the upper end of the lower ejector plate (9) is provided with an upper ejector plate (10), the upper end of the upper ejector plate (10) is provided with a supporting column (11).

2. The precision positioned injection molding machine mold of claim 1, wherein: The surface of the female mold core (3) is provided with a female mold insert (31), the surface of the male mold core (5) is provided with a male mold insert (51), the female mold insert (31) and the male mold insert (51) are matched with each other.

3. The precision positioned injection molding machine mold of claim 1, wherein: The lower end of the male mold core pad (4) and the male mold core (5) is matched with each other, the inside of the male mold core pad (4) is provided with an ejector pin.

4. The precision positioned injection molding machine mold of claim 1, wherein: The side of the upper end of the male mold plate (2) is provided with a positioning hole (21), the surface of the stripping plate (6) is provided with a sliding hole (61), the upper end of the pull rod (8) is fixedly connected with the connecting plate (7), the lower end of the pull rod (8) extends to the lower end of the stripping plate (6) through the sliding hole (61), and the lower end of the pull rod (8) is matched with the positioning hole (21).

5. The precision positioned injection molding machine mold of claim 1 wherein: The side of the lower end of the stripping plate (6) is fixedly installed with a positioning sleeve (62), and the lower end of the positioning sleeve (62) is matched with the positioning block (22).

6. The precision positioned injection molding machine mold of claim 1, wherein: The lower end of the connecting plate (7) is fixedly installed with a limiting column (71), the surface of the stripping plate (6) is provided with a limiting groove (63), and the limiting column (71) and the limiting groove (63) are slidably sleeved.

7. The precision positioned injection molding machine mold of claim 6, wherein: The upper end of the male mold plate (2) is provided with a limiting sleeve (23), and the lower end of the limiting column (71) is matched with the inside of the limiting sleeve (23).

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