CN218906199U

CN218906199U - Injection mold extension ejection device for injection molding part

Info

Publication number: CN218906199U
Application number: CN202223280008.7U
Authority: CN
Inventors: 龚贵彰
Original assignee: Kunshan Yishengli Precision Mould Co ltd
Current assignee: Kunshan Yishengli Precision Mould Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-04-25
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses an injection mold extension ejection device for injection molding, which comprises a base, wherein a footstock is arranged at the top of the base, a lower die holder is fixedly arranged at the position close to the center of the top of the base, an upper die holder is fixedly arranged at the position close to the center of the bottom of the footstock, and a threaded rod is movably connected at the position close to the center in the lower die holder. This injection mold extension ejecting device for injection molding, through roof, the threaded rod, the bull stick, the thread bush, the offset, inverter motor, gear wheel and pinion's design, the roof is unanimous with the length of lower die cavity, when ejecting, can effectually carry out ejecting with the injection molding in the lower die cavity, and then avoid the injection molding corner to glue and glue the condition emergence that the side wall in the lower die cavity leads to injection molding corner damage when ejecting, the effect of protection has been played to the injection molding, simultaneously, it removes the offset to drive the threaded rod rotatory messenger roof through inverter motor, the reduction labour that can be better, the effectual efficiency that improves work.

Description

Injection mold extension ejection device for injection molding part

Technical Field

The utility model relates to the technical field of ejection devices, in particular to an injection mold extension ejection device for injection molding parts.

Background

Some spare and accessory parts on the automobile are injection molded plastic parts. In the process of injection molding, an ejector is usually used for ejecting the injection molding by the injection mold.

The comparison document (the name of the utility model: an injection mold extension ejection device, the patent number: CN 217454790U) is characterized in that two opposite thread surfaces are arranged on a threaded rod, so that two extrusion blocks can generate different moving directions due to different rotating directions of the threaded rod, when the injection mold is used, after the injection mold is completed, a driving motor is started to drive the threaded rod to rotate so as to control the two extrusion blocks to one side close to each other, and as the two extrusion blocks are continuously closed, the ejection blocks are caused to be extruded to move upwards by the ejection blocks, so that a connecting block is driven to push a top plate upwards, finally, an injection molding part in a mold core is supported by the top plate, the effect of quick demolding is achieved, the problem of difficult demolding of the existing injection mold is avoided, and the working efficiency is improved.

However, when the top plate designed by the comparison document is used for ejecting the injection molding, the injection molding is easy to deform because the length of the top plate is smaller than that of the lower mold cavity, and meanwhile, the corner of the injection molding adhered to the side wall of the lower mold cavity is easy to damage, so that the quality of the injection molding is reduced, and therefore, the use requirement of the existing user is not met.

Disclosure of Invention

The utility model aims to provide an injection mold extension ejection device for injection molding, which aims to solve the problems that in the prior art, a top plate designed by a comparison document is provided, when the injection molding is ejected, the length of the top plate is smaller than that of a lower mold cavity, so that the injection molding is easy to deform, and meanwhile, the corners of the injection molding adhered to the side wall of the lower mold cavity are easy to damage, so that the quality of the injection molding is reduced, and the use requirement of the existing user is not met.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold extension ejecting device for injection molding, includes the base, the top of base is provided with the footstock, the center position fixed mounting that leans on at base top has the die holder, the center position fixed mounting that leans on at footstock bottom has the upper die base, the center position swing joint that leans on in the die holder has the threaded rod, the surface threaded connection of threaded rod has the thread bush, the outside fixedly connected with roof of thread bush, the lower die cavity in the die holder is provided with the butt plate, the top and the butt plate fixed connection of roof, the threaded rod lean on bottom position fixedly connected with gear wheel, the rear side swing joint that leans on bottom position in the die holder has the bull stick, the side position fixedly connected with pinion that leans on of bull stick, the bottom position fixed mounting that leans on one side of the die holder has inverter motor, inverter motor's output runs through to the inside of die holder and with bull stick fixed connection.

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

this injection mold extension ejecting device for injection molding, through roof, the threaded rod, the bull stick, the thread bush, the offset, inverter motor, gear wheel and pinion's design, the roof is unanimous with the length of lower die cavity, when ejecting, can effectually carry out ejecting with the injection molding in the lower die cavity, and then avoid the injection molding corner to glue and glue the condition emergence that the side wall in the lower die cavity leads to injection molding corner damage when ejecting, the effect of protection has been played to the injection molding, simultaneously, it removes the offset to drive the threaded rod rotatory messenger roof through inverter motor, the reduction labour that can be better, the effectual efficiency that improves work.

Drawings

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

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

FIG. 3 is an enlarged partial schematic view of the FIG. 2A;

fig. 4 is an enlarged partial schematic view of the utility model B of fig. 2.

In the figure: 1. a base; 2. a top base; 3. a lower die holder; 4. an upper die holder; 5. supporting a slide bar; 6. a threaded rod; 7. a top plate; 8. a thread sleeve; 9. a large gear; 10. a rotating rod; 11. a variable frequency motor; 12. a pinion gear; 13. a support plate; 14. a retaining plate; 15. a moving groove; 16. a limit groove; 17. a moving block; 18. and a limiting plate.

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. 1-4, the present utility model provides a technical solution: injection mold extension ejecting device for injection molding, the equal fixedly connected with of four corners position that leans on at base 1 top supports slide bar 5, and the top of supporting slide bar 5 runs through to the outside of footstock 2, can be convenient for the removal of footstock 2.

The support plates 13 are fixedly connected to the positions, close to the two sides, of the inner bottom of the lower die holder 3, and the support plates 13 are sleeved with the rotating rod 10, so that the effect of supporting the rotating rod 10 can be achieved.

The movable groove 15 has been seted up to the inside of roof 7, and spacing groove 16 has been seted up to the inside one side of corresponding movable groove 15 of roof 7, and the inside sliding connection of movable groove 15 has movable block 17, can be convenient for movable block 17 remove in movable groove 15, and then plays spacing effect.

The limiting plates 18 are fixedly connected to the positions, close to the tops, of the two sides in the lower die holder 3, of the limiting plates 18, one side of each limiting plate 18 penetrates through the limiting groove 16 and the corresponding moving groove 15 and is fixedly connected with the corresponding moving block 17, and the corresponding moving block 17 can move in the corresponding moving groove 15 to play a supporting role.

The pinion 12 is meshed with the large gear 9, and can conveniently drive the threaded rod 6 to rotate.

A chute is formed between the top plate 7 and the lower die holder 3, so that friction between the top plate 7 and the lower die holder 3 can be avoided when the top plate moves.

Working principle: during ejection, the variable frequency motor 11 drives the rotating rod 10 to rotate through the output end, the rotating rod 10 rotates to enable the pinion 12 to drive the threaded rod 6 to rotate through the large gear 9, the threaded rod 6 rotates to enable the threaded sleeve 8 and the top plate 7 to move upwards, the moving block 17 moves in the moving groove 15, and when the top plate 7 moves, the retaining plate 14 is driven to eject injection molding pieces in the lower die cavity.

To sum up: this injection mold extension ejecting device for injection molding, through roof 7, threaded rod 6, bull stick 10, thread bush 8, the board of keeping out 14, inverter motor 11, gear wheel 9 and pinion 12's design, roof 7 is unanimous with the length of lower die cavity, when ejecting, can effectually carry out ejecting with the injection molding in the lower die cavity, and then avoid the injection molding corner to glue the condition emergence that the side wall in the lower die cavity leads to injection molding corner damage when ejecting, the effect of protection has been played to the injection molding, simultaneously, drive threaded rod 6 rotation through inverter motor 11 and make roof 7 remove board of keeping out 14, the reduction labour that can be better, the effectual efficiency that improves work.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components that appear in this article all are connected with external main control unit and 220V commercial power to main control unit can be servo motor, contact sensor, treater, alarm module and drive module etc. play the conventional known equipment of control, and the standard part that uses in this application file all can purchase from market, and the concrete connected mode of each part all adopts the conventional means such as mature bolt, rivet, welding in the prior art to be connected, and machinery, part and equipment all adopt the conventional model in the prior art, plus circuit connection adopts the conventional connected mode in the prior art, and no specific description is made here.

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 principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Injection mold extension ejecting device for injection molding, including base (1), its characterized in that: the top of base (1) is provided with footstock (2), the center position near at base (1) top is fixed mounting has die holder (3), the center position near of footstock (2) bottom is fixed mounting has upper die base (4), center position swing joint has threaded rod (6) near in die holder (3), the surface threaded connection of threaded rod (6) has thread bush (8), the outside fixedly connected with roof (7) of thread bush (8), the lower die cavity in die holder (3) is provided with and keeps out board (14), the top of roof (7) and butt board (14) fixed connection, the back side swing joint who leans on bottom position in threaded rod (6) has bull gear (9), the back side swing joint who leans on bottom position in die holder (3) has bull stick (10), the back side position fixedly connected with pinion (12) of bull stick (10), the bottom position fixed mounting that leans on of die holder (3) one side has inverter motor (11), the output of inverter motor (11) runs through to the inside of die holder (3) and with bull stick (10) fixed connection.

2. The injection mold extension ejection device for injection molding according to claim 1, wherein: the top of the base (1) is fixedly connected with a supporting slide bar (5) at four corners, and the top of the supporting slide bar (5) penetrates to the outside of the top seat (2).

3. The injection mold extension ejection device for injection molding according to claim 1, wherein: the two sides of the inner bottom of the lower die holder (3) are fixedly connected with support plates (13), and the support plates (13) are sleeved with the rotating rods (10).

4. The injection mold extension ejection device for injection molding according to claim 1, wherein: the inside of roof (7) has seted up removal groove (15), limit groove (16) have been seted up to one side of the inside corresponding removal groove (15) of roof (7), the inside sliding connection of removal groove (15) has movable block (17).

5. An injection mold extension ejection device for injection molding according to claim 1 or 4, characterized in that: the upper parts of the two sides in the lower die holder (3) are fixedly connected with limiting plates (18), and one side of each limiting plate (18) penetrates through each limiting groove (16) and each moving groove (15) and is fixedly connected with each moving block (17).

6. The injection mold extension ejection device for injection molding according to claim 1, wherein: the pinion (12) meshes with the gearwheel (9).

7. The injection mold extension ejection device for injection molding according to claim 1, wherein: a sliding groove is formed between the top plate (7) and the lower die holder (3).