CN218749093U

CN218749093U - Plastic mould slider delays demoulding structure

Info

Publication number: CN218749093U
Application number: CN202223270156.0U
Authority: CN
Inventors: 刘耀刚
Original assignee: Kunshan Yonglian Electronics & Plastic Co ltd
Current assignee: Kunshan Yonglian Electronics & Plastic Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-03-28
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a plastic mould slider postpones demoulding structure, including public template and cavity board, public mould benevolence is installed to the bottom of public template, the bottom of public template is provided with the oblique guide pillar of a plurality of, oblique guide pillar distributes around public mould benevolence, the bottom center department of public template installs the wedge guide arm, the cavity board is located the below of public template, slidable mounting has the first guide pin bushing of a plurality of in the cavity board, every first guide pin bushing respectively with the mutual adaptation of the oblique guide pillar that corresponds, all install first cavity benevolence on every first guide pin bushing, slidable mounting has the second guide pin bushing on the cavity board, second guide pin bushing and wedge guide arm looks adaptation, through oblique guide pillar, first guide pin bushing, first cavity benevolence, the setting of wedge guide arm and second cavity benevolence, oblique guide pillar and wedge guide arm shift up and guide and keep away from each other between the first guide pin bushing during the drawing of patterns, make side opening or undercut plastic part realize the purpose of side direction loosing core, the convenient drawing of core earlier, thereby realize the purpose that the slider postpones, and then realize the delayed drawing of patterns.

Description

Plastic mould slider delays demoulding structure

Technical Field

The utility model relates to an injection mold demoulding structure technical field especially relates to a plastic mould slider delays demoulding structure.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

The traditional mold opening structure is that a sliding block is firstly separated and then core is pulled, but for a plastic part with a side hole or side recess, before the plastic part is ejected out and demolded, the sliding block is firstly pulled laterally or separated to smoothly demold the plastic part, so that the requirement of people is met by a plastic mold sliding block delayed demolding structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plastic mould slider postpones demoulding structure to solve traditional die sinking structure that proposes in the above-mentioned background art and part earlier for the slider, loose core again, but to having side opening or the concave piece of moulding of side, before by ejecting drawing of patterns, must carry out the side earlier and loose core or part the slider, the problem of drawing of patterns smoothly.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plastic mould slider postpones demoulding structure, includes male template and cavity board, the male mould benevolence is installed to the bottom of male template, and the bottom of male template is provided with a plurality of oblique guide pillar, and oblique guide pillar distributes around the male mould benevolence, and the bottom center department of male template installs the wedge guide arm, the cavity board is located the below of male template, and slidable mounting has a plurality of first guide pin bushing in the cavity board, and every first guide pin bushing is the looks adaptation with the oblique guide pillar that corresponds respectively, all installs first cavity benevolence on every first guide pin bushing, slidable mounting has the second guide pin bushing on the cavity board, second guide pin bushing and wedge guide arm looks adaptation, and one side of second guide pin bushing is provided with second cavity benevolence, second cavity benevolence and a plurality of first master mould benevolence and male mould benevolence looks adaptation, install the thimble board in the thimble board, first thimble and second thimble are located the below of first cavity benevolence, the second thimble is located between first cavity benevolence and the second cavity benevolence.

Preferably, a hot runner device is arranged in the male template.

Preferably, the first cavity insert is provided with a pouring gate, the top end of the pouring gate is communicated with the hot runner device, one end of the pouring gate is communicated into a die cavity formed between the first cavity insert and the second cavity insert, and the first thimble is matched with the pouring gate.

Preferably, an inclined hole is formed in the first guide sleeve, and the inclined guide pillar is matched with the inclined hole.

Preferably, the bottom ends of the first guide sleeve and the second guide sleeve are respectively provided with a limiting slide block, the female die plate is internally provided with a plurality of limiting slide grooves, and each limiting slide block is respectively slidably mounted in the corresponding limiting slide groove.

Preferably, a T-shaped sliding block is mounted on the inclined surface of the wedge-shaped guide rod, a T-shaped sliding groove is formed in the inclined surface of the second guide sleeve, and the T-shaped sliding block and the T-shaped sliding groove are matched with each other.

Preferably, the first guide sleeve, the second guide sleeve, the first thimble and the second thimble are all connected with air pipes, and each air pipe is connected with an air cylinder.

The utility model has the advantages that:

the utility model discloses in through the setting of oblique guide pillar, first guide pin bushing, first cavity benevolence, wedge guide arm and second cavity benevolence, during the drawing of patterns oblique guide pillar and wedge guide arm shift up and guide and keep away from each other between the first guide pin bushing for the side opening or the purpose that the side direction was loosed core is realized to the concave plastic part in side, makes things convenient for the drawing of patterns, thereby realizes the purpose of loosing core earlier, and then realizes the purpose that the slider postpones the drawing of patterns.

Drawings

Fig. 1 is a schematic view of a mold closing structure of a slide block delayed demolding structure of a plastic mold provided by the utility model;

fig. 2 is a schematic view of a mold opening structure of a slide block delayed demolding structure of a plastic mold provided by the present invention;

fig. 3 is a schematic diagram of an ejection structure of a slide block delayed demolding structure of a plastic mold provided by the present invention;

fig. 4 is the utility model provides an internal structure schematic diagram of a plastic mould slider postpones demoulding structure.

In the figure: 1. a male template; 2. a master template; 3. a core insert; 4. an inclined guide post; 5. a wedge-shaped guide rod; 6. a first guide sleeve; 7. a first cavity insert; 8. a second guide sleeve; 9. a second cavity insert; 10. an ejector plate; 11. a first thimble; 12. a second thimble; 13. a hot runner device; 14. a pouring channel; 15. an inclined hole; 16. a limiting slide block; 17. a limiting chute; 18. a T-shaped slider; 19. t-shaped sliding chutes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a plastic mold slide block delayed demolding structure comprises a male mold plate 1 and a female mold plate 2, a male mold core 3 is installed at the bottom end of the male mold plate 1, a plurality of inclined guide pillars 4 are arranged at the bottom end of the male mold plate 1, the inclined guide pillars 4 are distributed around the male mold core 3, a wedge-shaped guide rod 5 is installed at the center of the bottom end of the male mold plate 1, the female mold plate 2 is located below the male mold plate 1, a plurality of first guide sleeves 6 are slidably installed in the female mold plate 2, each first guide sleeve 6 is respectively matched with the corresponding inclined guide pillar 4, a first female mold core 7 is installed on each first guide sleeve 6, a second guide sleeve 8 is slidably installed on the female mold plate 2, the second guide sleeve 8 is matched with the wedge-shaped guide rod 5, a second female mold core 9 is arranged on one side of the second guide sleeve 8, the second female mold core 9 is matched with the first female mold cores 7 and the male mold core 3, a thimble plate 10 is installed at the bottom end of the female mold plate 2, the ejector plate 10 is internally provided with a first ejector pin 11 and a second ejector pin 12, the first ejector pin 11 is positioned below the first cavity insert 7, the second ejector pin 12 is positioned between the first cavity insert 7 and the second cavity insert 9, during mold closing, the male template 1 drives the male mold insert 3, the inclined guide post 4 and the wedge guide rod 5 to descend, when the inclined guide post 4 is contacted with the first guide sleeve 6, the first guide sleeve 6 is guided to approach each other, so that the first cavity insert 7 approaches each other, the wedge guide rod 5 drives the second guide sleeve 8 and drives the second cavity insert 9 to approach the first cavity insert 7, and the male mold insert 3 approaches the first cavity insert 7, so as to form a mold cavity, after injection molding is completed, the male template 1 ascends, simultaneously drives the inclined guide post 4 and the wedge guide rod 5 to ascend, so as to drive the first guide sleeve 6 to depart from each other, and because the side edge of the plastic part has a side hole and a side recess, the structure realizes the purpose of lateral core pulling, thereby realizing the purpose of delaying demoulding of the sliding block.

Referring to fig. 1-2, in this embodiment, a hot runner device 13 is disposed in the core plate 1, and the hot runner device 13 ensures that the plastic in the runner and the gate keeps a molten state by a heating method, thereby shortening a molding cycle, improving injection molding efficiency, saving raw materials, and reducing cost.

Referring to fig. 1-3, in the embodiment, the first cavity insert 7 is provided with a runner 14, a top end of the runner 14 is communicated with the hot runner device 13, one end of the runner 14 is communicated to a mold cavity formed between the first cavity insert 7 and the second cavity insert 9, the first ejector pin 11 is adapted to the runner 14, and when the first guide sleeve 6 drives the first cavity insert 7 to be away from the plastic part during demolding, the runner 14 is located above the first ejector pin 11, so as to facilitate demolding of the plastic part cooled and molded in the runner 14.

Referring to fig. 4, in this embodiment, an inclined hole 15 is formed in the first guide sleeve 6, the inclined guide post 4 is matched with the inclined hole 15, and the inclined hole 15 realizes that the first guide sleeve 6 is driven to move in the horizontal direction by the movement of the inclined guide post 4 in the vertical direction, so that the purposes of demolding and mold closing are realized.

Referring to fig. 1-2 and 4, in this embodiment, the limiting sliders 16 are mounted at the bottom ends of the first guide sleeve 6 and the second guide sleeve 8, a plurality of limiting sliding grooves 17 are formed in the female mold plate 2, each limiting slider 16 is slidably mounted in the corresponding limiting sliding groove 17, and the limiting sliding grooves 17 and the limiting sliders 16 are matched to provide lateral limitation for the first guide sleeve 6 and the second guide sleeve 8, so that horizontal movement between the first guide sleeve 6 and the second guide sleeve 8 is ensured.

Referring to fig. 2 and 4, in this embodiment, a T-shaped slider 18 is mounted on an inclined surface of the wedge-shaped guide rod 5, a T-shaped sliding groove 19 is formed on an inclined surface of the second guide sleeve 8, the T-shaped slider 18 and the T-shaped sliding groove 19 are adapted to each other, and the second guide sleeve 8 and the wedge-shaped guide rod 5 are adapted to each other more tightly between the T-shaped sliding groove 19 and the T-shaped slider 18.

Referring to fig. 1 to 3, in this embodiment, air pipes are connected to the first guide sleeve 6, the second guide sleeve 8, the first thimble 11 and the second thimble 12, each air pipe is connected to an air cylinder, and the air cylinders facilitate the resetting between the first guide sleeve 6 and the second guide sleeve 8 and the ejection of the plastic part and the molded product at the gate 14 by the first thimble 11 and the second thimble 12.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a plastic mould slider delays demoulding structure, includes public template (1) and female template (2), its characterized in that: the core insert is characterized in that a core insert (3) is installed at the bottom end of the core template (1), a plurality of inclined guide posts (4) are arranged at the bottom end of the core insert (1), the inclined guide posts (4) are distributed around the core insert (3), a wedge-shaped guide rod (5) is installed at the center of the bottom end of the core template (1), the core template (2) is located below the core template (1), a plurality of first guide sleeves (6) are installed in the core template (2) in a sliding mode, each first guide sleeve (6) is respectively matched with the corresponding inclined guide post (4), a first core insert (7) is installed on each first guide sleeve (6), a second guide sleeve (8) is installed on the core template (2) in a sliding mode, the second guide sleeves (8) are matched with the wedge-shaped guide rods (5), a second core insert (9) is arranged on one side of each second guide sleeve (8), the second core insert (9) is matched with the first core inserts (7) and the core insert (3), an ejector pin plate (10) is installed at the bottom end of the core template (2), and a second ejector pin (12) is located between each first ejector pin (7) and the corresponding core insert (11).

2. The delayed demolding structure of the plastic mold slide block as claimed in claim 1, wherein: and a hot runner device (13) is arranged in the male template (1).

3. The delayed demolding structure for the plastic mold sliding block as claimed in claim 1, wherein: a pouring channel (14) is formed in the first cavity insert (7), the top end of the pouring channel (14) is communicated with a hot runner device (13), one end of the pouring channel (14) is communicated to a cavity formed between the first cavity insert (7) and the second cavity insert (9), and the first ejector pin (11) is matched with the pouring channel (14).

4. The delayed demolding structure for the plastic mold sliding block as claimed in claim 1, wherein: an inclined hole (15) is formed in the first guide sleeve (6), and the inclined guide post (4) is matched with the inclined hole (15).

5. The delayed demolding structure of the plastic mold slide block as claimed in claim 1, wherein: limiting slide blocks (16) are installed at the bottom ends of the first guide sleeve (6) and the second guide sleeve (8), a plurality of limiting slide grooves (17) are formed in the female die plate (2), and each limiting slide block (16) is installed in the corresponding limiting slide groove (17) in a sliding mode.

6. The delayed demolding structure of the plastic mold slide block as claimed in claim 1, wherein: a T-shaped sliding block (18) is mounted on the inclined surface of the wedge-shaped guide rod (5), a T-shaped sliding groove (19) is formed in the inclined surface of the second guide sleeve (8), and the T-shaped sliding block (18) is matched with the T-shaped sliding groove (19) mutually.

7. The delayed demolding structure for the plastic mold sliding block as claimed in claim 1, wherein: and air pipes are connected to the first guide sleeve (6), the second guide sleeve (8), the first ejector pin (11) and the second ejector pin (12), and each air pipe is connected with an air cylinder.