CN116638715A

CN116638715A - Can stabilize ejecting demoulding structure

Info

Publication number: CN116638715A
Application number: CN202310727331.4A
Authority: CN
Inventors: 罗耿
Original assignee: Foshan Jingwo Molding Technology Co ltd
Current assignee: Foshan Jingwo Molding Technology Co ltd
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2023-08-25

Abstract

The invention relates to the technical field of injection molds, and discloses a demolding structure capable of stably ejecting, which comprises an upper mold, wherein the right side of the upper mold is connected with the left side of a push plate in a sliding way, the right side of the push plate is connected with the left side of a lower mold in a sliding way, an ejection structure is arranged in the lower mold, and the ejection structure comprises: the injection mold is characterized in that the inner wall of the lower mold is fixedly connected with the surface of the pressing plate, the driven piece is arranged on the surface of the second transmission gear, the ejection structure capable of being ejected stably, when the injection mold is used for demolding, the gear is matched with the rack to drive the side gear to rotate, the gear is used for driving the driving shaft to rotate, then the pushing plate is pushed to perform demolding, a threaded piece finished product is achieved, the threaded piece finished product has obvious improvement, damage to original spring demolding can be reduced, and the structure is reliable and accurate.

Description

Can stabilize ejecting demoulding structure

Technical Field

The invention relates to the technical field of injection molds, in particular to a demolding structure capable of stably ejecting.

Background

When producing some products with special shapes, because machining is difficult to ensure the precision, the products are manufactured by injection molding by using an injection mold, and after the injection molding is finished and the products are molded, the products are ejected by using an ejection structure.

However, the former mould of the product part with the spiral threads is demoulded by the elasticity of the spring, the elasticity of the last circle of spring is reduced in the tail period of demould, and the threads are easy to damage due to the thinner threads; in view of this, we propose a stripping structure that can stably eject.

Disclosure of Invention

The invention aims to provide a stripping structure capable of stably ejecting so as to solve the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a can stabilize ejecting demoulding structure, includes the cope match-die, the right side of cope match-die is connected with the left side of push pedal sideslip, the right side of push pedal is connected with the left side of bed die sideslip, the inside of bed die is provided with ejecting structure, can master gear cooperate with the rack through setting up ejecting structure, reaches screw finished product and makes the drawing of patterns requirement, ejecting structure includes: the novel spring demolding device comprises a main gear, a first transmission gear, a second transmission gear, racks, a pressing plate and a driven piece, wherein the inner wall of a lower mold is rotationally connected with the surface of the main gear, the main gear is meshed with the first transmission gear, the racks move when the demolding is performed, a tooth socket drives a pushing plate to ascend, so that demolding can be performed, the demolding mode has obvious improvement on a novel threaded product, damage of original spring demolding can be reduced, the first transmission gear is meshed with the second transmission gear, the main gear is meshed with the racks, the inner wall of the lower mold is fixedly connected with the surface of the pressing plate, the driven piece is arranged on the surface of the second transmission gear, and the pushing plate can ascend due to the arrangement of the driven piece.

Preferably, the follower includes: the gear comprises a shaft, wherein the inner wall of a second transmission gear is fixedly connected with the shaft, the surface of the shaft is fixedly connected with the inner wall of a tooth socket, and a guide sleeve is fixedly arranged on the right side of the tooth socket.

Preferably, the first transmission gears are provided with two groups, and the first transmission gears are symmetrically arranged by taking the central line of the lower die as a symmetrical axis.

Preferably, the second transmission gears are provided with two groups, and the two groups of second transmission gears are symmetrically arranged by taking the central line of the lower die as a symmetrical axis.

Preferably, the surface of the tooth socket is fixedly connected with the surface of the push plate.

Preferably, the shafts are provided with two groups, and the two groups of shafts are symmetrically arranged by taking the central line of the lower die as a symmetrical axis.

Compared with the prior art, the invention provides a demoulding structure capable of stably ejecting, which comprises the following components

The beneficial effects are that:

this can stabilize ejecting demoulding structure through setting up ejecting structure, when injection mold prepares the drawing of patterns, gear and rack cooperate, drive edge gear rotation, rotate with this gear drive axle again and promote the push pedal drawing of patterns, reach the screw thread finished product, have more obvious progressive to threaded new product, can reduce the damage of original spring drawing of patterns, the present structure is reliable and accurate.

Drawings

FIG. 1 is a schematic elevational view of the present invention;

FIG. 2 is a schematic diagram of the structure of the front view of the present invention;

fig. 3 is an enlarged schematic view of the ejection structure of the present invention.

In the figure: 1. an upper die; 2. a push plate; 3. a lower die; 4. an ejection structure; 41. a main gear; 42. a first transmission gear; 43. a transmission gear II; 44. a rack; 45. a pressing plate; 46. a follower; 461. a shaft; 462. a tooth socket; 463. a guide sleeve.

Detailed Description

As shown in fig. 1-3, the present invention provides a technical solution: the utility model provides a can stabilize ejecting demoulding structure, includes mould 1, and the right side of mould 1 is connected with the left side slip of push pedal 2, and the right side of push pedal 2 is connected with the left side slip of bed die 3, and the inside of bed die 3 is provided with ejection structure 4, can master gear 41 cooperate with rack 44 through setting up ejection structure 4, reaches the screw finished product and makes the drawing of patterns requirement, and ejection structure 4 includes: the inner wall of the lower die 3 is rotationally connected with the surface of the main gear 41, the main gear 41 is meshed with the first transmission gear 42, when demoulding is needed, the main gear 41 rotates to drive the first transmission gear 42, when the second transmission gear 43 rotates, the shaft 461 is arranged in the second transmission gear 43, the shaft 461 drives the tooth socket 462 to ascend under the rotation of the second transmission gear 43, the tooth socket 462 drives the push plate 2 to ascend, demoulding is finished, the first transmission gear 42 is meshed with the second transmission gear 43, the first transmission gears 42 are provided with two groups, the first transmission gears 42 are symmetrically arranged by taking the central line of the lower die 3 as a symmetrical axis, the second transmission gears 43 are symmetrically arranged by taking the central line of the lower die 3 as a symmetrical axis, the main gear 41 is meshed with the rack 44, the inner wall of the lower die 3 is fixedly connected with the surface of the pressure plate 45, the surface of the second transmission gear 43 is provided with the driven plate 46, and the driven member 46 comprises: the axle 461, axle 461 all are provided with two groups, and two groups of axles 461 all set up with the central line of bed die 3 as symmetry axisymmetric, the inner wall of drive gear two 43 and the fixed connection of axle 461, the surface of axle 461 and the fixed connection of facing 462 inner wall, the fixed connection of surface and push pedal 2 of facing 462, the fixed uide bushing 463 that is provided with in right side of facing 462, driven piece 46's setting can make push pedal 2 rise.

Working principle: the ejection structure 4 is arranged to match the main gear 41 with the rack 44, so that the requirement of demoulding of a finished threaded part is met, when demoulding is needed, the rack 44 is moved, the main gear 41 rotates to drive the first transmission gear 42 to rotate, and when the second transmission gear 43 rotates, the shaft 461 is arranged inside the second transmission gear 43, so that the shaft 461 drives the tooth socket 462 to ascend under the rotation of the second transmission gear 43, the tooth socket 462 drives the push plate 2 to ascend, and at the moment, demoulding is finished, and the push plate 2 can be ascended due to the arrangement of the driven piece 46.

The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a can stabilize ejecting demoulding structure, includes mould (1), its characterized in that: the right side of last mould (1) is connected with the left side of push pedal (2) sideslip, the right side of push pedal (2) is connected with the left side of bed die (3) sideslip, the inside of bed die (3) is provided with ejection structure (4), ejection structure (4) include:

the inner wall of the lower die (3) is rotationally connected with the surface of the main gear (41), and the main gear (41) is meshed with the first transmission gear (42);

a transmission gear II (43), wherein the transmission gear I (42) is meshed with the transmission gear II (43);

a rack (44), the main gear (41) being meshed with the rack (44);

the pressing plate (45), the inner wall of the lower die (3) is fixedly connected with the surface of the pressing plate (45), and a driven piece (46) is arranged on the surface of the transmission gear II (43).

2. The ejection stabilizing release structure of claim 1, wherein: the follower (46) includes: the tooth socket comprises a shaft (461), wherein the inner wall of a transmission gear II (43) is fixedly connected with the shaft (461), the surface of the shaft (461) is fixedly connected with the inner wall of a tooth socket (462), and a guide sleeve (463) is fixedly arranged on the right side of the tooth socket (462).

3. The ejection stabilizing release structure of claim 1, wherein: the first transmission gears (42) are respectively provided with two groups, and the two groups of first transmission gears (42) are symmetrically arranged by taking the central line of the lower die (3) as a symmetrical axis.

4. The ejection stabilizing release structure of claim 1, wherein: the second transmission gears (43) are respectively provided with two groups, and the two groups of second transmission gears (43) are symmetrically arranged by taking the central line of the lower die (3) as a symmetrical axis.

5. The ejection stabilizing release structure of claim 2, wherein: the surface of the tooth socket (462) is fixedly connected with the surface of the push plate (2).

6. The ejection stabilizing release structure of claim 2, wherein: the shafts (461) are provided with two groups, and the two groups of shafts (461) are symmetrically arranged by taking the central line of the lower die (3) as a symmetrical axis.