CN218966063U

CN218966063U - Precise plastic mold core pulling device

Info

Publication number: CN218966063U
Application number: CN202223342079.5U
Authority: CN
Inventors: 许烨; 彭建球; 吴卫兵
Original assignee: Shenzhen Honglitai Precision Technology Co ltd
Current assignee: Shenzhen Honglitai Precision Technology Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-05
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a precise plastic mold core pulling device which comprises an upper mold and a lower mold, wherein a plurality of forming rods are arranged in the middle of the lower end surface of the upper mold, the forming rods are rotatably connected with the upper mold, a rotating rod group for driving the forming rods to rotate is arranged on the lower mold, the rotating rod group is longitudinally and rotatably connected with the lower mold, and a driving mechanism for driving the rotating rod group to rotate is also arranged on the lower mold.

Description

Precise plastic mold core pulling device

Technical Field

The utility model relates to the technical field of plastic molds, in particular to a core pulling device of a precise plastic mold.

Background

When plastic molds are used to produce injection molding parts at present, for slightly complex products, a mold core is generally required to be arranged in a cavity so as to be molded at one time. For injection molds with cores, the mechanical actions such as demolding, core pulling and the like are all related, corresponding mechanical parts are needed to generate the mechanical actions, and the existing core pulling mechanism is directly pulled out from a molded product after molding processing is finished, so that adhesion is easy to occur in the operation process, and the product is damaged.

Disclosure of Invention

The application provides a precision plastic mould core pulling device for solve the problem that proposes among the background art.

The utility model is realized in the following way:

the utility model provides a precision plastic mould core pulling device, includes upper mould and lower mould, the lower terminal surface middle part of upper mould is provided with a plurality of shaping poles, shaping pole is connected with upper mould rotation, install drive shaping pole pivoted bull stick group on the lower mould, bull stick group and lower mould longitudinal sliding and rotation are connected, still install drive bull stick group pivoted actuating mechanism on the lower mould.

Further, the rotating rod group comprises a rotating frame and a movable frame, the rotating frame is rotatably arranged in the middle of the lower die, the movable frame is sleeved on the rotating frame, and the movable frame is in sliding connection with the rotating frame.

Further, the rotating frame comprises a gear disc, a bottom shaft and a three-jaw plate, wherein the bottom shaft is vertically fixed at the center of the lower end face of the gear disc, and the three-jaw plate is fixedly arranged on the upper end face of the gear disc.

Further, the movable frame comprises a sleeve and a limiting plate, wherein the limiting plate is arranged on the lower end face of the sleeve, and the limiting plate and the sleeve are integrally formed.

Further, the upper end face of the sleeve is fixedly provided with a plugboard, the lower end face of the forming rod is provided with a slot matched with the plugboard, and the upper end face of the plugboard is fixedly provided with a magnetic attraction block.

Further, the driving mechanism comprises a rotating motor and a threaded rod meshed with the gear plate, the threaded rod is rotatably arranged in the lower die, and one end of the threaded rod is connected with an output shaft of the rotating motor.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has the advantages of convenient driving the forming rod to rotate in the die opening process, ensuring that the forming rod can be pulled out from the formed product in a rotating way, being safer and not easy to damage the product compared with the traditional direct core pulling way.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of the device of the present utility model;

FIG. 2 is a perspective view of the apparatus of FIG. 1 without an upper mold installed;

FIG. 3 is a front view of the device of FIG. 2;

FIG. 4 is a cross-sectional view of the device of FIG. 3 taken along the direction A-A;

FIG. 5 is a top view of the device of FIG. 2;

FIG. 6 is a cross-sectional view of the device of FIG. 5 taken along the direction C-C;

FIG. 7 is a perspective view of the upper die shown in FIG. 1;

FIG. 8 is a perspective view of the turret shown in FIG. 6;

FIG. 9 is a perspective view of the articulating frame of FIG. 6;

fig. 10 is a bottom view of the device of fig. 9.

In the figure: 1. an upper die; 11. forming a rod; 111. a slot; 2. a lower die; 3. a rotating rod group; 31. a rotating frame; 311. a gear plate; 312. a bottom shaft; 313. a three-jaw plate; 32. a movable frame; 321. a sleeve; 322. a limiting plate; 323. inserting plate; 324. a magnetic suction block; 4. a driving mechanism; 41. a rotating motor; 42. a threaded rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Referring to fig. 1, fig. 2, fig. 3 and fig. 7, a precise plastic mold core pulling device comprises an upper mold 1 and a lower mold 2, wherein a plurality of forming rods 11 are arranged in the middle of the lower end surface of the upper mold 1, the forming rods 11 are rotationally connected with the upper mold 1, the lower mold 2 is buckled with the upper mold 1 when forming processing is required, a slot 111 matched with a plugboard 323 is formed in the lower end surface of the upper forming rods 11, the plugboard 323 is inserted into the slot 111, meanwhile, the plugboard 323 can be mutually attracted with the forming rods 11 through a magnetic attraction block 324, a rotating motor 41 can be started to drive a threaded rod 42 to rotate after forming is finished, a plurality of groups of gear plates 311 can be driven to synchronously rotate through the threaded rod 42, meanwhile, a movable frame 32 is driven to synchronously rotate through a rotating frame 31, so that the forming rods 11 can be driven to rotate through the movable frame 32, then the upper mold 1 can be started to open, the forming rods 11 can be taken out from a forming product in a rotating mode, the forming rods 321 can be guaranteed to be safely and the same as the forming rods 11, and the diameter of the upper mold plates can be opened to the movable frame 32, and the diameter of the upper end surface is the movable frame 32 is the same as that the diameter of the movable frame 32 is the diameter of the movable frame 32, and the diameter of the sleeve can be opened when the diameter of the upper end surface is the movable frame 32 is the diameter is the same.

Referring to fig. 8, 9 and 10, the lower module 2 is provided with the rotating rod group 3 for driving the forming rod 11 to rotate, the rotating rod group 3 is longitudinally and rotatably connected with the lower module 2, the rotating rod group 3 comprises a rotating frame 31 and a movable frame 32, the rotating frame 31 is rotatably arranged in the middle of the lower module 2, the movable frame 32 is sleeved on the rotating frame 31, the movable frame 32 is slidably connected with the rotating frame 31, the rotating frame 31 comprises a gear disc 311, a bottom shaft 312 and a three-jaw plate 313, the bottom shaft 312 is vertically fixed at the center of the lower end face of the gear disc 311, the three-jaw plate 313 is fixedly arranged on the upper end face of the gear disc 311, the movable frame 32 comprises a sleeve 321 and a limiting plate 322, the limiting plate 322 is arranged on the lower end face of the sleeve 321, the limiting plate 322 is integrally formed with the sleeve 321, the upper end face of the sleeve 321 is fixedly provided with an inserting plate 323, the upper end face of the inserting plate 323 is fixedly provided with a magnetic block 324, the rotating operation of the movable frame 32 is conveniently driven by the rotating frame 31 through the structure setting of the rotating rod group 3, and the movable frame 32 can be stably driven to rotate the forming rod 11.

Referring to fig. 4, 5 and 6, the lower module 2 is further provided with a driving mechanism 4 for driving the rotating rod group 3 to rotate, the driving mechanism 4 comprises a rotating motor 41 and a threaded rod 42 meshed with the gear wheel 311, the threaded rod 42 is rotatably installed in the lower module 2, one end of the threaded rod 42 is connected with an output shaft of the rotating motor 41, the threaded rod 42 is driven to rotate through arrangement of the rotating motor 41, and synchronous rotation of the plurality of gear wheels 311 is guaranteed through the threaded rod 42.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a precision plastic mould core pulling device, includes mould (1) and lower mould (2), its characterized in that: the upper die (1) is characterized in that a plurality of forming rods (11) are arranged in the middle of the lower end face of the upper die (1), the forming rods (11) are rotationally connected with the upper die (1), a rotating rod group (3) for driving the forming rods (11) to rotate is arranged on the lower die (2), the rotating rod group (3) is longitudinally and rotationally connected with the lower die (2), and a driving mechanism (4) for driving the rotating rod group (3) to rotate is further arranged on the lower die (2).

2. The precise plastic mold core pulling device according to claim 1, wherein the rotating rod group (3) comprises a rotating frame (31) and a movable frame (32), the rotating frame (31) is rotatably arranged in the middle of the lower mold (2), the movable frame (32) is sleeved on the rotating frame (31), and the movable frame (32) is in sliding connection with the rotating frame (31).

3. The precise plastic mold core pulling device according to claim 2, wherein the rotating frame (31) comprises a gear disc (311), a bottom shaft (312) and a three-jaw plate (313), the bottom shaft (312) is vertically fixed at the center of the lower end surface of the gear disc (311), and the three-jaw plate (313) is fixedly installed on the upper end surface of the gear disc (311).

4. The precise plastic mold core pulling device according to claim 3, wherein the movable frame (32) comprises a sleeve (321) and a limiting plate (322), the limiting plate (322) is mounted on the lower end surface of the sleeve (321), and the limiting plate (322) and the sleeve (321) are integrally formed.

5. The precise plastic mold core pulling device according to claim 4, wherein an insert plate (323) is fixedly mounted on the upper end surface of the sleeve (321), a slot (111) matched with the insert plate (323) is formed in the lower end surface of the forming rod (11), and a magnetic attraction block (324) is fixedly mounted on the upper end surface of the insert plate (323).

6. The precise plastic mold core pulling device according to claim 5, wherein the driving mechanism (4) comprises a rotating motor (41) and a threaded rod (42) meshed with the gear disc (311), the threaded rod (42) is rotatably installed in the lower mold (2), and one end of the threaded rod (42) is connected with an output shaft of the rotating motor (41).