CN219926761U - Pin alignment device for injection mold and injection mold - Google Patents

Abstract

The utility model relates to a pin alignment device for an injection mold and the injection mold, wherein a plurality of pins are inserted in parallel in an insert; the slide block is slidably matched with the injection mold and is configured to move along the axial direction of the pin and used for pushing the head parts of the pins in the process of moving towards the plug-in unit so that the head parts of all the pins are flush. The utility model can conveniently make the heads of the pins inserted in the insert flush, thereby improving the qualification rate of the injection molded product.

Description

Pin alignment device for injection mold and injection mold

Technical Field

The utility model relates to the field of injection molds, in particular to a pin alignment device for an injection mold and the injection mold.

Background

Pin (Pin) is inserted in the plug-in components, then put into injection mold and mould plastics, and in the process of moulding plastics, keep off in the head of Pin through the die cavity wall to contact with it, if the head of each Pin is not flush, then leave the clearance between Pin and the die cavity wall behind a bit, this just leads to after moulding plastics, the head end of Pin behind a bit can stick the plastic, and whole product after moulding plastics needs later repair or becomes the substandard product.

Therefore, after the pins are inserted into the insert and before the pins are placed into the injection mold, the positions of the pins in the axial direction need to be adjusted one by one so as to ensure that the heads of the pins are flush, the operation is troublesome, time is wasted, and complete flush is difficult to ensure.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a pin alignment device for an injection mold, which can conveniently enable the heads of all pins inserted in an inserting assembly to be flush, thereby improving the qualification rate of products after injection molding.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a pin alignment apparatus for an injection mold, a plurality of pins being inserted in parallel in an insert, comprising:

the fixing mechanism is used for fixing the plug-in component;

and the sliding block is slidably matched with the injection mold and is configured to move along the axial direction of the pins and used for pushing the heads of the pins in the process of moving towards the plug-in assembly so as to enable the heads of all the pins to be flush.

The fixing mechanism comprises an upper die core and a lower die core, and the upper die core and the lower die core clamp the plug-in component together after die assembly.

Further, the securing mechanism also includes at least one molding assembly for loading the cartridge.

There is further provided a specific structure of a molding assembly, the molding assembly comprising:

a mold strip body;

at least one die strip insert inlaid in the die strip body, wherein the die strip insert is used for supporting and positioning the insert, and all the die strip inserts are arranged in parallel along the direction perpendicular to the axial direction of the pin under the condition that the die strip inserts are at least two;

the upper mould strip cover is hinged with the mould strip body;

and the elastic piece is arranged between the die strip body and the die strip upper cover and is used for enabling the die strip upper cover to press the insert piece in the die strip insert.

Further, the insert is a plastic.

Further, the inserting piece is provided with inserting holes corresponding to the pins one by one, and the inner peripheral wall of the inserting hole is provided with convex ribs.

Further, the slider is configured to move toward the insert under the action of a spade base of the injection mold.

The utility model also provides an injection mold, which comprises a pin alignment device for the injection mold.

After the technical scheme is adopted, the plug-in components with the plurality of pins inserted therein are placed in the injection mold, after mold closing, the plug-in components are fixed by the fixing mechanism, the sliding blocks move towards the plug-in components along the axial direction, contact the heads of the pins and push the pins, so that the head ends of all the pins are on the same plane, and in the injection molding process, the sliding blocks are propped against the head ends of the pins, so that the head ends of the pins are prevented from being adhered to plastic.

Drawings

FIG. 1 is a schematic view of a pin alignment apparatus for an injection mold according to the present utility model;

FIG. 2 is a schematic view of the pin of the present utility model inserted into a cartridge;

in the figure, 10, pins; 20. a cartridge; 1. a slide block; 2. an upper die core; 3. a lower die core; 4. a molding assembly; 41. a mold strip body; 42. a molding insert; 43. a die strip upper cover; 44. an elastic member.

Detailed Description

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

Example 1

As shown in fig. 1 and 2, a pin alignment device for an injection mold, in which a plurality of pins 10 are inserted in parallel in an insert 20, includes:

a fixing mechanism for fixing the cartridge 20;

the slide 1, which is slidably fitted to the injection mold, is configured to be movable in the axial direction of the pins 10 for pushing the heads of the pins 10 during the movement toward the insert 20 so that the heads of all the pins 10 are flush.

Specifically, the plug-in components 20 that will insert a plurality of pins 10 are put into injection mold, after the compound die, fixed establishment fixes plug-in components 20, slider 1 moves towards plug-in components 20 along the axial, contact the head of pin 10 to promote pin 10, make the head end of all pins 10 on the coplanar, in the in-process of moulding plastics, slider 1 offsets with the head end of pin 10, and then avoids the head end of pin 10 to glue to the plastic, and this embodiment can very conveniently guarantee that the head ends of all pins 10 flushes mutually, and then improves the product percent of pass after moulding plastics.

Wherein, the plug-in components 20 are equipped with the plug-in holes that correspond to the pins 10 one by one. One pin 10 is inserted into each of the insertion holes.

In one embodiment, the insert 20 is formed in a plastic part, and the inner circumferential wall of the insert hole is provided with a convex rib, and the convex rib clamps the pin 10 and plays a role in restraining the pin 10, so as to provide resistance to the pin 10 moving along the axial direction and prevent the pin from falling off from the insert hole.

In one embodiment, the slide 1 is configured to move towards the insert 20 under the influence of a spade base of the injection mold. The slider 1 pushes all pins 10 to the right a little, about 0.1mm.

In one embodiment, the side of the slider 1 near the insert 20 is provided with a receiving space for receiving the head of the pin 10, and the head end of the pin 10 abuts against the wall of the receiving space, and the receiving space is a part of the mold cavity.

In one embodiment, as shown in fig. 1, the fixing mechanism includes an upper mold core 2 and a lower mold core 3, and the upper mold core 2 and the lower mold core 3 clamp the insert 20 together after mold closing.

In one embodiment, as shown in fig. 1, the fixing mechanism further includes at least one molding assembly 4 for loading the molding assembly 20, and the molding assembly 4 is outwardly exceeded by the molding assembly 20 loaded on the molding assembly 4.

In one embodiment, the die strip assembly 4 comprises:

a die strip body 41;

at least one die strip insert 42 inlaid in the die strip body 41, wherein the die strip insert 42 is used for supporting and positioning the insert 20, and in the case that the die strip inserts 42 have at least two die strip inserts 42, all the die strip inserts 42 are arranged in parallel along the direction perpendicular to the axial direction of the pin 10;

a molding upper cover 43 hinged to the molding body 41;

and an elastic member 44 disposed between the molding body 41 and the molding cover 43, for pressing the molding cover 43 against the insert 20 in the molding insert 42.

The elastic member 44 may be a coil spring, a torsion spring, or the like. The molding assembly 4 can perform the functions of loading and pre-fixing the insert 20 into which the plurality of pins 10 are inserted.

Example two

An injection mold comprising the pin alignment apparatus for an injection mold of embodiment one.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (8)

1. A pin alignment device for an injection mold, in which a plurality of pins (10) are inserted in parallel in an insert (20), characterized in that,

comprising the following steps:

a fixing mechanism for fixing the cartridge (20);

-a slider (1) slidingly fitted to the injection mould, configured to be movable along the axial direction of the pins (10), for pushing the heads of the pins (10) during movement towards the insert (20) so that the heads of all pins (10) are flush.

2. The pin alignment apparatus for an injection mold according to claim 1, wherein,

the fixing mechanism comprises an upper die core (2) and a lower die core (3), and the upper die core (2) and the lower die core (3) clamp the plug-in assembly (20) together after die assembly.

3. The pin alignment apparatus for an injection mold according to claim 2, wherein,

the securing mechanism further comprises at least one molding assembly (4) for loading the cartridge (20).

4. A pin alignment apparatus for an injection mold according to claim 3, wherein,

the die strip assembly (4) comprises:

a die strip body (41);

at least one die strip insert (42) inlaid in the die strip body (41), wherein the die strip insert (42) is used for supporting and positioning the insert (20), and all the die strip inserts (42) are arranged in parallel along the direction perpendicular to the axial direction of the pin (10) under the condition that the die strip inserts (42) are at least two;

a die strip upper cover (43) hinged to the die strip body (41);

and an elastic member (44) disposed between the molding body (41) and the molding upper cover (43) for pressing the molding upper cover (43) against the insert (20) in the molding insert (42).

5. The pin alignment apparatus for an injection mold according to claim 1, wherein,

the insert (20) is a plastic part.

6. The pin alignment apparatus for an injection mold of claim 5, wherein,

the plug-in components (20) are equipped with the plug-in components hole of pin (10) one-to-one, the inner peripheral wall in plug-in components hole disposes protruding muscle.

7. The pin alignment apparatus for an injection mold according to claim 1, wherein,

the slider (1) is configured to move towards the insert (20) under the effect of a spade base of the injection mould.

8. An injection mold is characterized in that,

comprising a pin alignment device for an injection mold according to any of claims 1-7.