Inclined needle retreating core-pulling mechanism

Abstract

The utility model provides an inclined retreating needle core-pulling mechanism, and relates to the technical field of mold structures. Comprising an inclined ejector suitable for penetrating through a push plate and an inclined needle, and further comprises a sliding seat arranged on a plate B, a sliding block is arranged on the sliding seat in a sliding mode, and an inclined guide column parallel to the core pulling direction of the inclined needle is arranged on the sliding block and used for guiding; one end of the inclined needle is arranged on the sliding block, and when the push plate is ejected out, the sliding block is suitable for driving the inclined needle to synchronously and laterally move. Through the scheme, the inclined needle can be effectively prevented from being bent due to stress, and the service life of the mold is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mould structure technical field, specifically, relate to a slanting needle retraction core mechanism. BACKGROUND

[0002] In some injection moulds, some product structures are compact, and there are both slanting ejection and slanting needle in the same position; this makes the traditional T groove steering core pulling method unable to be effectively applied due to structural limitation, causes the slanting needle to be easily stressed too much in the core pulling process, causes needle deformation or jamming, and affects product quality and production efficiency. UTILITY MODEL CONTENTS

[0003] The utility model discloses a slanting needle retraction core mechanism, aims at solving the above-mentioned problem.

[0004] The utility model adopts the following schemes:

[0005] A kind of slanting needle retraction core mechanism, including the slanting ejection suitable for passing through push plate and slanting needle, further include: setting in the slide of B plate, the slide is slidably provided with slide block, the slide block is provided with the slanting guide pillar parallel with the core pulling direction of the slanting needle for guiding;The one end of the slanting needle is set on the slide block, and when the push plate is ejected, the slide block is suitable for driving the slanting needle synchronous lateral migration.

[0006] Further, the slide is formed with a convex groove, and the slide block is provided with a convex block suitable for sliding in the convex groove.

[0007] Further, the top of the slide is provided with a long slot, and the bottom is provided with an opening suitable for the slanting guide pillar to pass through, and the slanting guide pillar is suitable for moving left and right in the opening.

[0008] Further, the slide block is provided with a slanting guide pillar hole and a slanting needle hole for mounting the slanting guide pillar and the slanting needle.

[0009] Further, it further includes B plate, push plate arranged above B plate, first group of needle plate arranged below the B plate and second group of needle plate arranged below the first group of needle plate;Wherein, the push plate is connected with the second group of needle plate through connecting rod, the first group of needle plate is connected with top roller for realizing first ejection, and the second group of needle plate is provided with secondary ejection standard part for secondary ejection;The slanting needle retraction core mechanism is arranged on the B plate, and one end of the slanting ejection is connected to the second group of needle plate.

[0010] Further, a limiting distance screw is arranged between the push plate and the B plate to limit the ejection distance of the first push plate.

[0011] Beneficial effects:

[0012] This solution incorporates a slanted needle-pulling mechanism on the secondary ejection mechanism. During ejection, the push plate moves forward, and the slider moves to the left under the push plate's influence, thereby moving the slanted needle along the direction of the slanted guide post and preventing the slanted needle from jamming. The slanted guide post plays a crucial role in the ejection process; by pushing the slide block, it further reduces the force on the slanted needle, lowering the risk of deformation and jamming. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a mold with a slanted needle retraction core-pulling mechanism according to an embodiment of the present invention;

[0014] Figure 2 yes Figure 1 A partially enlarged schematic diagram of the oblique needle pull-out mechanism;

[0015] Figure 3 This is a schematic diagram of the structure of a slanted needle retraction core-pulling mechanism according to an embodiment of the present invention;

[0016] Figure 4 This is a schematic diagram of the slide structure of a slanted needle retraction core-pulling mechanism according to an embodiment of this utility model;

[0017] Figure reference numerals: 1. B plate, 2. push plate, 3. first set of ejector pin plates, 4. second set of ejector pin plates, 5. secondary ejector standard part, 6. inclined ejector pin, 7. ejector roller, 8. slide block, 81. convex groove, 9. slider, 10. inclined guide post, 11. inclined pin, 12. inclined ejector, 13. product. Detailed Implementation

[0018] Combination Figures 1 to 4 As shown, this embodiment provides a mold, including a slanted ejector core-pulling mechanism. The mold includes a B plate 1, a push plate 2 disposed above the B plate 1, a first set of ejector plates 3 disposed below the B plate 1, and a second set of ejector plates 4 disposed below the first set of ejector plates 3. The push plate 2 is connected to the second set of ejector plates 4 via a connecting rod. The first set of ejector plates 3 is connected to an ejector roller 7 for initial ejection. The second set of ejector plates 4 is provided with a secondary ejector standard 5 for secondary ejection. A slanted ejector pin 6 is also provided between the second set of ejector plates 4 and the push plate 2.

[0019] In the embodiment, the oblique needle retraction mechanism includes the oblique ejector pin 12 and the oblique needle 11 adapted to pass through the push plate 2, and further includes the slide block 8 arranged on the B plate 1, the slide block 8 being provided with the sliding block 9 slidingly arranged thereon, the sliding block 9 being provided with the oblique guide pillar 10 parallel to the retraction direction of the oblique needle 11 for guiding; one end of the oblique needle 11 is arranged on the sliding block 9, and when the push plate 2 is ejected, the sliding block 9 is adapted to drive the oblique needle 11 to synchronously move sideways. The oblique needle retraction mechanism is arranged on the B plate 1, and one end of the oblique ejector pin 12 is connected to the second group of needle plate 4.

[0020] In combination Figures 1 to 3 As shown, during demolding, first, the ejector roller 7 pushes the first group of needle plate 3 to be ejected to push the push plate 2 out by a first distance through the ejector pin on the first group of needle plate 3; the second group of needle plate 4 is synchronously lifted by a first distance because the push plate 2 is connected to the second group of needle plate 4 through the connecting rod, at this time, the product 13 is not ejected from the push plate 2; then, the secondary ejection standard part 5 is driven to rise to drive the second group of needle plate 4 to be separated from the first group of needle plate 3, the first group of needle plate 3 continues to rise to make the oblique ejector pin 12 be ejected for the second time to completely eject the product 13. During the second ejection, the height of the push plate 2 no longer changes, and only the product 13 connected to the push plate 2 is directly ejected through the oblique ejector pin 12. In the process of the oblique ejector pin 12 being ejected, the oblique guide pillar 10 plays a role of pulling the sliding block 9 to drive the sliding block 9 to synchronously slide left and right to avoid the oblique needle 11 being subjected to a large force to cause the risk of the oblique needle 11 being deformed and stuck. In the embodiment, the first distance of the push plate 2 being ejected for the first time can be 20 mm, and the distance of the oblique ejector pin 12 being ejected for the second time is 74 mm, so that the product 13 is completely ejected, and the oblique needle 11 is completely retracted.

[0021] In combination Figures 1 to 4 As shown, in the embodiment, the slide block 8 is fixed on the B plate 1, the top of the slide block 8 is provided with a long strip-shaped slot, the bottom is provided with an opening hole adapted to the oblique guide pillar 10 to pass through, and the oblique guide pillar 10 is adapted to move left and right in the opening hole. The convex slot 81 is formed in the slide block 8, the sliding block 9 is provided with the convex block adapted to slide in the convex slot 81, and the sliding block 9 is provided with the oblique guide pillar 10 hole and the oblique needle 11 hole for mounting the oblique guide pillar 10 and the oblique needle 11. One end of the oblique guide pillar 10 passes through the oblique guide pillar 10 hole, the other end penetrates into the push plate 2, and there is a part of moving gap in the sliding block 9; during the process of the push plate 2 being lifted or lowered, the oblique guide pillar 10 is subjected to a force, so that the sliding block 9 is driven to move left and right through the oblique guide pillar 10 to make the oblique needle 11 adaptively move in the up and down movement of the push plate 2 to prevent the push plate 2 from exerting a large force on the oblique needle 11 to cause the oblique needle 11 to be bent.

[0022] It should be noted that in the embodiment, the push plate 2 and the B plate 1 are provided with a limiting distance screw to limit the first ejection distance of the push plate 2. The limiting distance screw is a prior structure, which is suitable for limiting the distance between the push plate 2 and the B plate 1 when the push plate 2 is ejected for the first time.

[0023] In the embodiment, the secondary ejection standard part is a prior structure, which will not be described here again, and is connected with a power mechanism for realizing secondary ejection. The top roller 7 is also connected with a power structure, which will not be described here again.

[0024] Through the embodiment, the problem that the inclined needle 11 is easily stuck during the core pulling of the compact structure product 13 is effectively solved. Through reasonable guiding and push plate 2 design, the stress of the inclined needle 11 is reduced, the risk of needle deformation is reduced, the reliability of the mold and the quality of the product 13 are improved, and the production efficiency is improved.

[0025] It should be understood that: the above is only the preferred embodiment of the utility model, the protection scope of the utility model is not limited to the above-mentioned examples only, and all technical solutions under the idea of the utility model belong to the protection scope of the utility model.

[0026] The above introduction of the drawings used in the embodiments only shows some embodiments of the utility model, and should not be regarded as the limitation of the scope. For ordinary skilled in the art, other related drawings can be obtained according to the drawings without creative labor.

Claims

1. A swaging mechanism comprising a swage adapted to pass through a push plate and a swage needle, characterised in that, Also include: The slide is arranged on the B plate, the slide is arranged with a slider, the slider is arranged with a inclined guide pillar parallel to the core pulling direction of the inclined needle for guiding; one end of the inclined needle is arranged on the slider, and when the push plate is ejected, the slider is suitable for driving the inclined needle to move synchronously.

2. The swaging mechanism of claim 1, wherein The slider is arranged with a convex block suitable for sliding in the convex groove.

3. The angle retreat needle core pulling mechanism according to claim 2, wherein The top of the slide is provided with a long slot, and the bottom is provided with an opening suitable for the inclined guide pillar to pass through, and the inclined guide pillar is suitable for moving left and right in the opening.

4. The angle retreat needle undercure mechanism according to claim 3, wherein The slider is provided with an inclined guide pillar hole and an inclined needle hole for installing the inclined guide pillar and the inclined needle.

5. The angle retreat needle undercure mechanism according to claim 4, wherein Also include B plate, push plate arranged above the B plate, the first group of needle plate arranged below the B plate, and the second group of needle plate arranged below the first group of needle plate; wherein, the push plate is connected with the second group of needle plate through connecting rod, the first group of needle plate is connected with top roller for realizing first ejection, the second group of needle plate is arranged with secondary standard part for secondary ejection; the inclined needle retraction core pulling mechanism is arranged on the B plate, and one end of the inclined needle is connected on the second group of needle plate.

6. The angle retreat needle undercure mechanism according to claim 5, wherein The push plate and the B plate are provided with a limit distance screw to limit the first push plate ejection distance.

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