CN219381443U

CN219381443U - Plastic forming die convenient for core pulling

Info

Publication number: CN219381443U
Application number: CN202320799808.5U
Authority: CN
Inventors: 邱声富; 曲海涛; 马祖盛; 洪泓; 张公波; 王庆
Original assignee: Yantai Aikai Tianlong Molding Co ltd
Current assignee: Yantai Aikai Tianlong Molding Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-07-21
Anticipated expiration: 2033-04-12

Abstract

The utility model belongs to the technical field of forming dies, and particularly relates to a plastic forming die convenient for core pulling, which comprises a base, a core pulling mechanism and an air outlet mechanism, wherein the upper end of the base is fixedly connected with a supporting leg, the upper end of the supporting leg is fixedly connected with a supporting plate, the base is provided with the core pulling mechanism, a lower die is arranged in the supporting plate, the upper end of the supporting plate is fixedly connected with a supporting rod, the upper end of the supporting rod is fixedly connected with a mounting plate, and the lower end of the mounting plate is fixedly provided with an air cylinder.

Description

Plastic forming die convenient for core pulling

Technical Field

The utility model relates to the technical field of forming dies, in particular to a plastic forming die convenient for core pulling.

Background

The utility model discloses a plastic product forming die device, which comprises an upper die plate, a die cavity, an upper die plate, a die sleeve, a die core, a guide sleeve with shoulders, a core sleeve, a plastic product, a core groove and a supporting plate, wherein the lower part of the upper die plate is connected with the upper die plate, the upper die plate is provided with the upper die cavity groove, the upper part of the die cavity is matched with the upper die cavity groove, the upper die cavity is connected with the upper die cavity groove, the core sleeve is provided with the lower die cavity groove, the lower part of the die cavity is matched with the lower die cavity groove, the lower die cavity is connected with the lower die cavity groove, a connecting bolt sequentially passes through the upper die plate and the upper die plate to be connected with the die cavity, the connecting bolt is uniformly distributed on the upper die plate, the lower part of the die cavity is connected with the die core, the core sleeve is provided with the core groove, the side surface of the core sleeve is connected with the inner groove, the bottom of the die sleeve is connected with the supporting plate, the bottom of the supporting plate is symmetrically distributed at the bottom of the supporting plate, and the lower die plate is connected with the lower die plate. However, the above patent also suffers from the following disadvantages: after the plastic product is injection molded, the mold core is inconvenient to withdraw, and the upper mold and the lower mold are attached and then injection molded, at the moment, air in the mold is extruded, inconvenient to discharge and easy to form bubbles. Therefore, improvements are needed.

Disclosure of Invention

The utility model aims to provide a plastic forming die convenient for core pulling, which solves the problem that a die core is inconvenient to withdraw after plastic products are subjected to injection molding, and also solves the problem that air in the die is extruded, inconvenient to discharge and easy to form bubbles when an upper die and a lower die are attached and then subjected to injection molding.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a plastic forming die convenient to loose core, includes the base, loose core mechanism, give vent to anger the mechanism, the upper end fixedly connected with stabilizer blade of base, the upper end fixedly connected with backup pad of stabilizer blade, be provided with loose core mechanism on the base, be provided with the lower mould in the backup pad, the upper end fixedly connected with bracing piece of backup pad, the upper end fixedly connected with mounting panel of bracing piece, the lower extreme fixed mounting of mounting panel has the cylinder, fixedly connected with goes up the mould on the output of cylinder, the hole of moulding plastics has been seted up in going up to go up the mould, upward be provided with the mechanism of giving vent to anger on the mould, the upper end fixedly connected with ejector pin of going up the mould, the outside sliding connection of ejector pin has the sleeve, sleeve fixedly connected with the lower extreme of mounting panel.

Preferably, the core pulling mechanism comprises a forward and reverse motor, a screw rod, a lifting rod, a top plate, a mold core, a limiting groove and a limiting rod, wherein the forward and reverse motor is fixedly arranged at the upper end of the base, the screw rod is fixedly connected to the output end of the forward and reverse motor, the lifting rod is connected to the outer side of the screw rod through threads, the top plate is fixedly connected to the upper end of the lifting rod, the mold core is fixedly connected to the upper end of the top plate, the mold core is in contact with the lower mold, the top plate is slidably connected to the support plate, the limiting groove is formed in the lifting rod, and the core pulling mechanism is designed to facilitate ejection of the mold.

Preferably, the limiting groove is slidably connected with a limiting rod, the limiting rod is fixedly connected in the supporting plate, and the lifting rod can be limited by designing the limiting rod.

Preferably, the mechanism of giving vent to anger includes venthole, filter screen, pull ring, supporting shoe, draw-in groove, elastic block, guide arm, spring, the venthole has been seted up in the last mould, fixedly connected with supporting shoe in the venthole, the contact has the filter screen on the supporting shoe, the upper end fixedly connected with pull ring of filter screen, the draw-in groove has been seted up in the filter screen, sliding connection has the elastic block in the draw-in groove, fixedly connected with guide arm in the supporting shoe, the outside of guide arm is provided with the spring, through design mechanism of giving vent to anger, conveniently discharges the air.

Preferably, one end of the spring is fixedly connected to the elastic block, the other end of the spring is fixedly connected to the supporting block, and the elastic block can be moved under the elastic action of the spring through designing the spring.

Preferably, the elastic block is slidably connected in the supporting block, and is slidably connected to the outer side of the guide rod, and the filter screen can be limited through the elastic block by designing the elastic block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through designing structures such as the forward and reverse rotating motor, the screw rod, the lifting rod, the top plate and the mold core, the screw rod is driven by the forward and reverse rotating motor to rotate so as to drive the lifting rod to move, the lifting rod moves so as to drive the top plate and the mold core to move, and the movement of the mold core can realize quick core pulling after the plastic molding mold completes injection molding, so that the production efficiency is improved.

2. According to the utility model, through designing the structures such as the air outlet hole, the filter screen, the elastic block, the clamping groove and the like, when the air outlet hole is attached to the upper die and the lower die for injection molding, the position of air outlet is provided for receiving extruded air, dust in the air can be prevented from entering the lower die to damage injection molding under the filtering of the filter screen, when the filter screen needs to be cleaned, the filter screen is pulled to enable the elastic block to slide out of the clamping groove, and at the moment, the filter screen can be detached from the air outlet hole.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of FIG. 1 of the present utility model;

FIG. 3 is an enlarged view of the outlet aperture of FIG. 2 in accordance with the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 2;

fig. 5 is an enlarged view of the present utility model at B in fig. 3.

In the figure: 1. a base; 2. a support leg; 3. a support plate; 4. a core pulling mechanism; 5. a lower die; 6. a support rod; 7. a mounting plate; 8. a cylinder; 9. an upper die; 10. injection molding holes; 11. an air outlet mechanism; 12. a push rod; 13. a sleeve; 41. a forward and reverse rotation motor; 42. a screw rod; 43. a lifting rod; 44. a top plate; 45. a mold core; 46. a limit groove; 47. a limit rod; 111. an air outlet hole; 112. a filter screen; 113. a pull ring; 114. a support block; 115. a clamping groove; 116. an elastic block; 117. a guide rod; 118. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 3, a plastic molding die convenient for core pulling comprises a base 1, a core pulling mechanism 4 and an air outlet mechanism 11, wherein the upper end of the base 1 is fixedly connected with a supporting leg 2, the upper end of the supporting leg 2 is fixedly connected with a supporting plate 3, the base 1 is provided with the core pulling mechanism 4, a lower die 5 is arranged in the supporting plate 3, the upper end of the supporting plate 3 is fixedly connected with a supporting rod 6, the upper end of the supporting rod 6 is fixedly connected with a mounting plate 7, the lower end of the mounting plate 7 is fixedly provided with an air cylinder 8, the output end of the air cylinder 8 is fixedly connected with an upper die 9, an injection hole 10 is formed in the upper die 9, the air outlet mechanism 11 is arranged on the upper die 9, the upper end of the upper die 9 is fixedly connected with a push rod 12, the outer side of the push rod 12 is fixedly connected with a sleeve 13, and the sleeve 13 is fixedly connected with the lower end of the mounting plate 7.

Referring to fig. 1, 2 and 4, the core pulling mechanism 4 includes a forward and reverse rotation motor 41, a screw rod 42, a lifting rod 43, a top plate 44, a mold core 45, a limit groove 46 and a limit rod 47, the upper end of the base 1 is fixedly provided with the forward and reverse rotation motor 41, the output end of the forward and reverse rotation motor 41 is fixedly connected with the screw rod 42, the outer side of the screw rod 42 is fixedly connected with the lifting rod 43 through threads, the upper end of the lifting rod 43 is fixedly connected with the top plate 44, the upper end of the top plate 44 is fixedly connected with the mold core 45, the mold core 45 is in contact with the lower mold 5, the top plate 44 is slidably connected in the support plate 3, the limit groove 46 is formed in the lifting rod 43, the limit rod 47 is slidably connected with the limit rod 47, and the limit rod 47 is fixedly connected in the support plate 3, so that the mold is conveniently ejected through the design of the core pulling mechanism 4.

Referring to fig. 1, 2, 3 and 5, the air outlet mechanism 11 includes an air outlet hole 111, a filter screen 112, a pull ring 113, a supporting block 114, a clamping groove 115, an elastic block 116, a guide rod 117 and a spring 118, wherein the air outlet hole 111 is formed in the upper die 9, the supporting block 114 is fixedly connected with the air outlet hole 111, the filter screen 112 is contacted with the supporting block 114, the pull ring 113 is fixedly connected with the upper end of the filter screen 112, the clamping groove 115 is formed in the filter screen 112, the elastic block 116 is slidably connected with the clamping groove 115, the guide rod 117 is fixedly connected in the supporting block 114, the spring 118 is arranged at the outer side of the guide rod 117, one end of the spring 118 is fixedly connected with the elastic block 116, the other end of the spring 118 is fixedly connected in the supporting block 114, the elastic block 116 is slidably connected with the supporting block 114, and the elastic block 116 is slidably connected with the outer side of the guide rod 117.

Working principle: when injection molding is carried out, firstly, the air cylinder 8 is started, the upper die 9 fixed on the output end of the air cylinder 8 can be driven to move under the action of the air cylinder 8, the upper die 9 is in contact with the lower die 5, injection molding is carried out through the injection molding hole 10, air is discharged through the air outlet hole 111 in the injection molding process, air bubbles are not easy to form, the injection molding effect is influenced, after the injection molding is finished, the belt mold is cooled, the forward and backward rotating motor 41 is started, the screw rod 42 is driven by the forward and backward rotating motor 41, the screw rod 42 and the lifting rod 43 are driven to move in a threaded manner by the rotation of the screw rod 42, the lifting rod 43 is further driven to move, the top plate 44 fixed on the lifting rod 43 is driven to move by the movement of the lifting rod 43, the mold core 45 fixed on the top plate 44 is driven to move by the movement of the top plate 44, and the mold core 45 can be extracted at the moment;

when the filter screen 112 needs to be cleaned, the pull ring 113 is pulled to enable the elastic block 116 which is slidably connected with the clamping groove 115 formed in the filter screen 112 to slide out, and at the moment, the filter screen 112 can be slid out of the air outlet hole 111 by moving the filter screen 112, and then the filter screen 112 is cleaned.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a plastic forming die convenient to loose core, includes base (1), mechanism (4) of loosing core, mechanism (11) of giving vent to anger, its characterized in that: the utility model discloses a mould, including base (1), support plate (3), upper end fixedly connected with stabilizer blade (2), upper end fixedly connected with backup pad (3) of stabilizer blade (2), be provided with core pulling mechanism (4) on base (1), be provided with lower mould (5) in backup pad (3), upper end fixedly connected with bracing piece (6) of backup pad (3), upper end fixedly connected with mounting panel (7) of bracing piece (6), the lower extreme fixed mounting of mounting panel (7) has cylinder (8), fixedly connected with goes up mould (9) on the output of cylinder (8), injection hole (10) have been seted up in last mould (9), be provided with on last mould (9) and give vent to anger mechanism (11), upper end fixedly connected with ejector pin (12) of last mould (9), outside sliding connection of ejector pin (12) has sleeve (13), sleeve (13) fixedly connected with the lower extreme of mounting panel (7).

2. The plastic molding die convenient for core pulling according to claim 1, wherein: the core pulling mechanism (4) comprises a forward and reverse rotating motor (41), a screw rod (42), a lifting rod (43), a top plate (44), a mold core (45), a limiting groove (46) and a limiting rod (47), wherein the forward and reverse rotating motor (41) is fixedly arranged at the upper end of the base (1), the screw rod (42) is fixedly connected to the output end of the forward and reverse rotating motor (41), the lifting rod (43) is connected to the outer side of the screw rod (42) through threads, the top plate (44) is fixedly connected to the upper end of the lifting rod (43), the mold core (45) is fixedly connected to the upper end of the top plate (44), the mold core (45) is in contact with the lower mold (5), the top plate (44) is slidably connected to the supporting plate (3), and the limiting groove (46) is formed in the lifting rod (43).

3. The plastic molding die convenient for core pulling according to claim 2, wherein: and a limiting rod (47) is connected in the limiting groove (46) in a sliding way, and the limiting rod (47) is fixedly connected in the supporting plate (3).

4. The plastic molding die convenient for core pulling according to claim 1, wherein: the utility model provides a mechanism of giving vent to anger (11) is including venthole (111), filter screen (112), pull ring (113), supporting shoe (114), draw-in groove (115), elastic block (116), guide arm (117), spring (118), venthole (111) have been seted up in last mould (9), fixedly connected with supporting shoe (114) in venthole (111), the contact has filter screen (112) on supporting shoe (114), the upper end fixedly connected with pull ring (113) of filter screen (112), draw-in groove (115) have been seted up in filter screen (112), sliding connection has elastic block (116) in draw-in groove (115), fixedly connected with guide arm (117) in supporting shoe (114), the outside of guide arm (117) is provided with spring (118).

5. The plastic molding die convenient for core pulling according to claim 4, wherein: one end of the spring (118) is fixedly connected to the elastic block (116), and the other end of the spring (118) is fixedly connected to the supporting block (114).

6. The plastic molding die convenient for core pulling according to claim 4, wherein: the elastic block (116) is slidably connected in the supporting block (114), and the elastic block (116) is slidably connected to the outer side of the guide rod (117).