CN215969919U - Mould with mould opening structure in mould - Google Patents

Abstract

The utility model relates to the technical field of dies, in particular to a die with an in-die opening structure, which comprises an upper die and a lower die, wherein the lower die is convexly provided with a plurality of first springs and a plurality of contact blocks; the upper die is provided with a plurality of first grooves corresponding to the first springs one by one, and when the upper die is attached to the lower die, the upper ends of the first springs abut against the bottom ends of the first grooves; the upper die is further provided with a plurality of second grooves corresponding to the conflict blocks one to one, the conflict sliding plates are arranged in the second grooves in a sliding mode respectively, a second spring is further arranged between the conflict sliding plates and the second grooves, and when the upper die is attached to the lower die, the conflict blocks conflict with the conflict sliding plates. The utility model aims to provide a die with an in-die opening structure, which solves the problem of insufficient demoulding reliability.

Description

Mould with mould opening structure in mould

Technical Field

The utility model relates to the technical field of molds, in particular to a mold with an in-mold opening structure.

Background

The opening of the injection mold is a very important part for ensuring the quality of the produced product and the durability of the mold. At present, the mold opening method generally comprises that a lower mold drives a mold core to move and draw out from a mold cavity in an upper mold, and an injection molding product after injection molding is still positioned on the mold core in the lower mold. In order to remove the injection product from the lower mold core, a separate ejector mechanism is used.

However, in the prior art, the demoulding force is insufficient due to the low demoulding quality of the mechanical part, and the reliability of the demoulding mechanism cannot be guaranteed, so that the product is damaged by pulling. Therefore, the demolding quality is improved, and the reliability and the efficiency of the mold opening process are improved, so that a high-quality demolding mechanism needs to be developed aiming at the mold.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a die with an in-die opening structure, and solves the problem of insufficient demoulding reliability.

The utility model is realized by the following technical scheme:

a mould with an in-mould opening structure comprises an upper mould and a lower mould, wherein the lower mould is convexly provided with a plurality of first springs and a plurality of contact blocks; the upper die is provided with a plurality of first grooves corresponding to the first springs one by one, and when the upper die is attached to the lower die, the upper ends of the first springs abut against the bottom ends of the first grooves; the upper die is further provided with a plurality of second grooves corresponding to the conflict blocks one to one, the conflict sliding plates are arranged in the second grooves in a sliding mode respectively, a second spring is further arranged between the conflict sliding plates and the second grooves, and when the upper die is attached to the lower die, the conflict blocks conflict with the conflict sliding plates.

Wherein, first spring and conflict piece staggered arrangement.

One side of the abutting sliding plate is provided with a sliding groove, and the side wall of the second groove is further provided with a convex block matched with the sliding groove.

Wherein, the contact block is silica gel.

The height of the first spring is smaller than the height between the contact block and the first groove.

The utility model has the beneficial effects that:

the problem of drawing of patterns reliability not enough is solved: according to the die with the in-die opening structure, the first spring, the first groove, the contact block, the contact sliding plate and the second spring are arranged, when the upper die and the lower die are closed, the first spring and the second spring are in a compressed state, and when the die is required to be released, the first spring and the second spring simultaneously extend to assist the separation of the upper die and the lower die; meanwhile, the first spring and the second spring are respectively arranged on the upper die and the lower die, so that the condition of balancing the stress inside the die can be achieved, and the effect of improving the reliability of the demoulding can be achieved.

Drawings

The utility model is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the utility model, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.

Fig. 1 is a schematic view of the internal structure of the present invention.

Fig. 2 is a partial schematic view of the upper die.

Reference numerals

An upper die-100, a first groove-101, a second groove-102, an abutting sliding plate-103, a second spring-104, a sliding groove-105, a bump-106,

a lower die-200, a first spring-201, and an abutting block-202.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 1 and 2, a mold with an in-mold opening structure includes an upper mold 100 and a lower mold 200, wherein the lower mold 200 is convexly provided with a plurality of first springs 201 and a plurality of contact blocks 202, and preferably, the contact blocks 202 are silica gel; the upper die 100 is provided with a plurality of first grooves 101 corresponding to the first springs 201 one by one, and when the upper die 100 is attached to the lower die 200, the upper ends of the first springs 201 abut against the bottom ends of the first grooves 101; the upper die 100 is further provided with a plurality of second grooves 102 corresponding to the contact blocks 202 one by one, a plurality of contact sliding plates 103 are respectively arranged in the second grooves 102 in a sliding mode, a second spring 104 is further arranged between each contact sliding plate 103 and the corresponding second groove 102, and when the upper die 100 is attached to the lower die 200, each contact block 202 contacts each contact sliding plate 103.

Specifically, according to the mold with the in-mold opening structure, the first spring 201, the first groove 101, the abutting block 202, the abutting sliding plate 103 and the second spring 104 are arranged, when the upper mold 100 and the lower mold 200 are closed, the first spring 201 and the second spring 104 are in a compressed state, and when demolding is required, the first spring 201 and the second spring 104 simultaneously extend to assist in separating the upper mold 100 and the lower mold 200; meanwhile, the first spring 201 and the second spring 104 are respectively arranged on the upper die 100 and the lower die 200, so that the condition of balancing the stress inside the die can be achieved, and the effect of increasing the reliability of demoulding can be achieved.

Specifically, the first spring 201 and the abutting block 202 are arranged in a staggered mode, the stress condition inside the die is more stable, and the reliability of demolding is further improved.

Specifically, a sliding groove 105 is formed in one side of the interference sliding plate 103, a protruding block 106 matched with the sliding groove 105 is further formed in the side wall of the second groove 102, and the sliding groove 105 and the protruding block 106 achieve a guiding effect of the interference sliding plate 103 in the vertical direction.

Specifically, the height of the first spring 201 is smaller than the height between the contact block 202 and the first groove 101, and through the arrangement, two sections of demoulding force can be generated between the upper die 100 and the lower die 200, so that the applicability of the utility model is further increased.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (5)

1. The utility model provides a mould with mould internal opening structure, includes mould (100) and lower mould (200), its characterized in that: the lower die (200) is convexly provided with a plurality of first springs (201) and a plurality of contact blocks (202);

the upper die (100) is provided with a plurality of first grooves (101) which correspond to the first springs (201) one by one, and when the upper die (100) is attached to the lower die (200), the upper ends of the first springs (201) abut against the bottom ends of the first grooves (101); go up mould (100) and still be equipped with a plurality of second recess (102) with conflict piece (202) one-to-one, it is a plurality of slide respectively in second recess (102) and be provided with conflict slide (103), still be equipped with second spring (104) between conflict slide (103) and second recess (102), when last mould (100) and lower mould (200) laminating, conflict piece (202) are contradicted in conflict slide (103).

2. The mold with in-mold opening structure according to claim 1, wherein: the first spring (201) and the abutting blocks (202) are arranged in a staggered mode.

3. The mold with in-mold opening structure according to claim 1, wherein: one side of the interference sliding plate (103) is provided with a sliding groove (105), and the side wall of the second groove (102) is also provided with a convex block (106) matched with the sliding groove (105).

4. The mold with in-mold opening structure according to claim 1, wherein: the contact block (202) is silica gel.

5. The mold with in-mold opening structure according to claim 1, wherein: the height of the first spring (201) is smaller than the height between the contact block (202) and the first groove (101).

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