CN220517449U - Linkage mechanism of injection mold - Google Patents

Abstract

The utility model discloses a linkage mechanism of an injection mold, which comprises a lower mold and an upper mold, wherein the lower mold comprises a lower mold, a plurality of molding cavities are uniformly and vertically arranged on the top surface of the lower mold downwards, molding columns are vertically inserted into the molding cavities, the bottom ends of the molding columns are fixed on the inner bottom surface of the molding cavities, a top ring is vertically sleeved outside the molding columns in a sliding manner, a guide rod is vertically fixed on the bottom surface of the top ring, the guide rod is vertically and slidingly inserted into a through hole, a supporting plate is horizontally arranged below the bottom surface of the lower mold, a spring is vertically fixed on the top surface of the supporting plate, the top ends of the springs are fixed on the bottom surface of the lower mold, and the upper mold is installed on the top end surface of the lower mold in a lifting manner. The utility model solves the problems that the hand of the worker directly contacts the plastic tube, the plastic tube after the mold opening has higher temperature, and the hand of the worker is scalded, so that the demolding is dangerous due to the fact that the existing worker manually pulls out a plurality of plastic tubes for demolding.

Description

Linkage mechanism of injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a linkage mechanism of an injection mold.

Background

The injection mold is a tool for producing plastic products, and specifically refers to a method that a heated and melted material is injected into a mold cavity from high pressure, and after cooling and solidification, a formed product is obtained, mold cores with forming mold cavities are arranged in the existing injection mold, the mold cores comprise front mold cores and rear mold cores, the mold opening and the mold closing of the mold cores are realized by the relative displacement of the front mold cores and the rear mold cores, plastic pipes can remain in a male mold after the existing injection mold for producing the plastic pipes is opened, a plurality of plastic pipes are arranged in each opening of the mold, and the existing method that the formed plastic pipes are taken out of the mold after the opening of the mold is performed by manually pulling out the plurality of plastic pipes for demolding.

However, the mode of manually demolding the plastic pipes is adopted, when the plastic pipe demolding machine is used, a plurality of plastic pipes are manually pulled out by a worker to perform demolding, the pulling-out and demolding mode can enable hands of the worker to directly contact the plastic pipes, the molded plastic pipes have higher temperature, and the hands of the worker can be scalded, so that the demolding is dangerous.

Disclosure of Invention

The present utility model aims to provide a linkage mechanism of an injection mold, which aims to improve the problems.

The utility model is realized in the following way:

the utility model provides a link gear of injection mold, including lower mould and last mould, the lower mould includes the lower mould, a plurality of shaping die cavities have evenly been seted up down on the top surface of lower mould, and vertical grafting has the shaping post in a plurality of shaping die cavities, the bottom mounting of shaping post is on the inside bottom surface of shaping die cavity, and the outside vertical slip cap of shaping post is equipped with the top ring, link up a plurality of through-holes of bottom surface has been seted up on the shaping cavity bottom surface of lower mould, vertically be fixed with the guide arm on the bottom surface of top ring, and the guide arm is vertically slided and is pegged graft in the through-hole, the bottom surface below level of lower mould is provided with the layer board, and the bottom fixed connection of layer board and guide arm, vertical be fixed with the spring on the top surface of layer board, and the top of spring is fixed on the bottom surface of lower mould, go up mould liftable and install on the top terminal surface of lower mould.

Further, a support is vertically fixed on the lower die, and a plurality of guide holes are vertically and penetratingly formed in the top surface of the support.

Further, the two sides of the bottom surface of the upper die are vertically fixed with inserting columns downwards, and the inserting columns are vertically and slidably inserted into the guide holes of the support.

Further, a top plate is horizontally fixed on the bottom end face of the inserted column on one side of the upper die, a lifting cylinder is vertically fixed on the support, and the output end of the lifting cylinder is fixed on the top plate at the bottom end of the inserted column.

Further, a guide cylinder is connected on the top surface of the upper die in a penetrating way.

Compared with the prior art, the utility model has the beneficial effects that: the upper die is combined on the top end face of the lower die in use, the plastic solution is added from the guide cylinder at the top of the upper die by using an injection molding machine, then the plastic solution uniformly flows into the molding cavity of the lower die through the flow channel in the plastic solution, the top ring is pressed downwards to vertically slide downwards on the molding column under the pressure action of the plastic solution, the supporting plate is supported by the guide rod to move downwards, the spring is pulled to stretch and deform, the upper die is pushed to move upwards on the lower die after the plastic tube is molded, and after the die is opened, the supporting plate pushes the top ring to move upwards under the deformation force of the spring to jack the molded plastic tube out of the molding cavity at the moment, so that the demolding of the plastic tube is automatically completed, the demolding efficiency is avoided by manually pulling out the plastic tube, and the demolding safety is improved.

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 overall structure of the present utility model;

FIG. 2 is a schematic exploded view of the present utility model;

FIG. 3 is a schematic view showing the structure of the lower mold in an exploded state in the embodiment of the present utility model;

fig. 4 is a schematic view showing the structure of the lower die in an exploded state in the embodiment of the present utility model;

fig. 5 is a schematic view showing the structure of the upper die in an exploded state according to the embodiment of the present utility model.

In the figure: 1. a lower module; 11. a lower die; 111. a molding cavity; 112. forming a column; 113. a through hole; 114. a supporting plate; 115. a top ring; 116. a guide rod; 117. a spring; 12. a bracket; 121. a guide hole; 13. a lifting cylinder; 2. an upper die; 21. a guide cylinder; 22. and (5) inserting a column.

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. 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.

Referring to fig. 1, 2, 3, 4 and 5, a linkage mechanism of an injection mold comprises a lower mold 1 and an upper mold 2, wherein the lower mold 1 comprises a lower mold 11, a plurality of molding cavities 111 are uniformly and vertically arranged on the top surface of the lower mold 11 downwards, molding columns 112 are vertically inserted into the plurality of molding cavities 111, the bottom ends of the molding columns 112 are fixed on the inner bottom surface of the molding cavities 111, a top ring 115 is vertically sleeved outside the molding columns 112, a plurality of through holes 113 are formed on the bottom surface of the molding cavities 111 of the lower mold 11 in a penetrating manner, a guide rod 116 is vertically fixed on the bottom surface of the top ring 115, the guide rod 116 is vertically and slidably inserted into the through holes 113, a supporting plate 114 is horizontally arranged below the bottom surface of the lower mold 11, the supporting plate 114 is fixedly connected with the bottom ends of the guide rod 116, springs 117 are vertically fixed on the top surface of the supporting plate 114, and the top ends of the springs 117 are fixed on the bottom surface of the lower mold 11, the upper die 2 is installed on the top end face of the lower die 11 in a lifting manner, the guide cylinder 21 is connected to the top surface of the upper die 2 in a penetrating manner, the upper die 2 is combined on the top end face of the lower die 11 in use, plastic solution is added from the guide cylinder 21 at the top of the upper die 2 by using an injection molding machine, then flows into the molding cavity 111 of the lower die 11 uniformly through an internal runner, under the pressure of the plastic solution, the movable top ring 115 is vertically and downwards slid on the molding column 112, the supporting plate 114 is supported by the guide rod 116 to downwards move, the spring 117 is pulled to stretch and deform, when the plastic tube is molded, the upper die 2 is pushed to upwards move on the lower die 11, and after the die is opened, the supporting plate 114 is pushed to upwards move under the deformation force of the spring 117 at the moment, the molded plastic tube is ejected out of the molding cavity 111, so that the demolding of the plastic tube is automatically completed, the manual pulling-out and demolding by the hand is avoided, the demolding efficiency is improved, and the demolding safety is improved.

Referring to fig. 3 and 5, a bracket 12 is vertically fixed on the lower die 11, and a plurality of guide holes 121 are vertically formed on the top surface of the bracket 12. The two sides of the bottom surface of the upper die 2 are vertically fixed with the inserting columns 22 downwards, and the inserting columns 22 are vertically and slidably inserted into the guide holes 121 of the bracket 12. A top plate is horizontally fixed on the bottom end surface of the inserted column 22 on one side of the upper die 2, a lifting cylinder 13 is vertically fixed on the support 12, the output end of the lifting cylinder 13 is fixed on the top plate at the bottom end of the inserted column 22, the upper die 2 is combined on the lower die 11 by using the lifting cylinder 13 to push the upper die 2 to vertically slide on the support 12 of the lower die 11, and therefore the upper die 2 is combined on the lower die 11 or the upper die 2 is opened on the lower die 11.

Working principle: the upper die 2 is combined on the top end face of the lower die 11, a plastic solution is added from the guide cylinder 21 at the top of the upper die 2 by using an injection molding machine, then the plastic solution uniformly flows into the molding cavity 111 of the lower die 11 through an internal runner, the top ring 115 is pressed downwards to vertically slide on the molding column 112 under the pressure action of the plastic solution, the supporting plate 114 is supported by the guide rod 116 to move downwards, the spring 117 is pulled to stretch and deform, the upper die 2 is pushed to move upwards after the plastic tube is molded, and after the die is opened, the supporting plate 114 pushes the top ring 115 to move upwards under the deformation force of the spring 117 due to the lack of the pressing of the upper die 2, so that the molded plastic tube is ejected out of the molding cavity 111, and the demolding of the plastic tube is automatically completed.

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 (5)

1. The utility model provides a link gear of injection mold, its characterized in that, includes lower mould (1) and last mould (2), lower mould (1) includes lower mould (11), even vertical downward a plurality of shaping chamber (111) have been seted up on the top surface of lower mould (11), and vertical grafting has shaping post (112) in a plurality of shaping chamber (111), the bottom mounting of shaping post (112) is on the inside bottom surface of shaping chamber (111), and the outside vertical slip cover of shaping post (112) is equipped with top ring (115), a plurality of through-holes (113) have been seted up on the shaping chamber (111) bottom surface of lower mould (11), vertically be fixed with guide arm (116) on the bottom surface of top ring (115), and guide arm (116) vertical slip grafting is in through-hole (113), the bottom surface below of lower mould (11) is provided with layer board (114), and the bottom fixed connection of bottom of layer board (114) and guide arm (116), the top surface of top surface vertical fixation of shaping post (112) is on the inside bottom surface of shaping chamber (111), and the top surface of spring (117) is fixed on the bottom surface of lower mould (11), can install on lower mould (2).

2. The linkage mechanism of an injection mold according to claim 1, wherein a bracket (12) is vertically fixed on the lower mold (11), and a plurality of guide holes (121) are vertically formed through the top surface of the bracket (12).

3. The linkage mechanism of an injection mold according to claim 2, wherein the two sides of the bottom surface of the upper mold (2) are vertically fixed with the insert posts (22) downwards, and the insert posts (22) are vertically slidably inserted into guide holes (121) of the bracket (12).

4. A linkage mechanism of an injection mold according to claim 3, wherein a top plate is horizontally fixed on the bottom end surface of a plug post (22) on one side of the upper mold (2), a lifting cylinder (13) is vertically fixed on the bracket (12), and the output end of the lifting cylinder (13) is fixed on the top plate at the bottom end of the plug post (22).

5. The linkage mechanism of an injection mold according to claim 1, wherein a guide cylinder (21) is connected to the top surface of the upper mold (2) in a penetrating manner.