CN209832497U - Mould with sprue excess material cutting function - Google Patents

Abstract

The utility model discloses a mould with a sprue excess material cutting function, relating to the technical field of injection molding machine moulds, which comprises an upper mould and a lower mould, the upper die is provided with a feeding hole and limits a cavity, the middle part of the upper end surface of the lower die is provided with a mold core, the cavity and the core defining a mold cavity for forming the article, the feed port and the mold cavity being connected by a gate, the lower die is arranged on the base, the base is provided with a supporting seat and a supporting rod, one side of the upper end surface of the lower die is provided with a cutting mechanism for cutting off excess materials of the sprue, the cutting mechanism comprises an upper cutting sheet and a lower cutting sheet which are hinged together, the lower end of the hinged point of the upper cutting sheet and the lower cutting sheet is arranged on the supporting rod, the upper cutting piece and the lower cutting piece are both hinged with connecting rods, one ends of the two connecting rods, which are far away from the hinged point, are connected with the same push rod, and the supporting seat is provided with a pushing mechanism for pushing the push rod; the utility model has the advantages of simple structure and convenient cutting off of the sprue excess material.

Description

Mould with sprue excess material cutting function

Technical Field

The utility model relates to an injection molding machine mould technical field, more specifically relate to a mould with runner clout excision function.

Background

Along with the continuous development of production technology, the continuous improvement of the technique of the trade of moulding plastics, the production efficiency of moulding plastics constantly improves, but the process of the excision runner clout after moulding plastics still is accomplished still artifical mostly, because of people excision runner clout, the work degree of difficulty is big, and the human cost is high, leads to the inefficiency of this process, leads to holistic production efficiency lower, leads to too much manufacturing cost.

Therefore, there is a need for a mold with a gate residue cutting function, which can cut off the gate residue without manual work, thereby improving the working efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the runner of the fashioned goods of current mould needs artifical excision, work efficiency is low, the utility model provides a mould with runner clout excision function.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a die with a pouring gate excess material cutting function comprises an upper die and a lower die, wherein a feed inlet is formed in the upper die and a die cavity is limited, a core is arranged in the middle of the upper end face of the lower die, the die cavity and the core are limited to form a die cavity of a product, the feed inlet is connected with the die cavity through a pouring gate, after the upper die and the lower die are combined, a plastic raw material is sequentially molded in the die cavity after passing through the feed inlet and the pouring gate, the lower die is arranged on a base, a supporting seat and a supporting rod are arranged on the base, a cutting mechanism for cutting off the excess material of the pouring gate is arranged on one side of the upper end face of the lower die and comprises an upper cutting sheet and a lower cutting sheet which are hinged together, the lower ends of hinged joints of the upper cutting sheet and the lower cutting sheet are arranged on the supporting rod, the supporting seat is provided with a pushing mechanism used for pushing the push rod, after a product in the die cavity is cooled and formed, the upper die and the lower die are separated, the pushing mechanism drives the two connecting rods to move through the push rod, the upper cutting piece and the lower cutting piece are driven by the two connecting rods to be opened and closed, and when the upper cutting piece and the lower cutting piece are closed, the sprue excess material can be cut off without manual cutting, so that the labor is saved, and the working efficiency is improved.

Further, the lower end surfaces of the upper cutting sheet and the lower cutting sheet are flush with the lower end of the pouring gate in a die assembly state, so that the pouring gate excess material is cut more cleanly, the workload of later polishing is reduced, and the working efficiency is improved.

Furthermore, the pushing mechanism comprises a pushing cylinder arranged on the supporting seat, and a piston rod of the pushing cylinder is connected with the push rod.

Furthermore, be equipped with two at least climbing mechanisms in the lower mould, every climbing mechanism's output all is equipped with the ejector pin, the ejector pin passes the lower mould up end and extends to the mould intracavity, and after the excision mechanism excision runner clout, through climbing mechanism's drive, the ejector pin is ejecting the goods, can take off the goods.

Further, the jacking mechanism comprises a jacking cylinder, and a piston rod of the jacking cylinder is arranged upwards and is connected with the ejector rod.

Furthermore, a material pushing cylinder is arranged on the rear side of the lower die, a discharging plate is arranged on the front side of the lower die, and when the jacking mechanism ejects the product out, the material pushing cylinder pushes the product, and the product is unloaded through the discharging plate.

The utility model has the advantages as follows:

1. the utility model has simple structure, the push rod is driven by the push mechanism, the push rod drives the connecting rod, the connecting rod drives the upper cutting sheet and the lower cutting sheet to cut the excess material of the pouring gate, manual cutting is not needed, manpower is saved, and the working efficiency is improved;

2. the lower end surfaces of the upper cutting piece and the lower cutting piece of the utility model are flush with the lower end of the sprue in a die assembly state, so that the sprue excess material is cut more cleanly, the workload of later polishing is reduced, and the working efficiency is improved;

3. the jacking mechanism of the utility model ejects the product through the ejector rod, thereby facilitating the operator to take down the product;

4. the utility model discloses be equipped with and push away the material cylinder, push away the material cylinder and promote the goods when climbing mechanism ejecting back to the goods, the goods can be lifted off through the stripper.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic top view of the cutting mechanism of the present invention;

fig. 3 is a schematic side view of the present invention;

reference numerals: 1-base, 2-supporting base, 3-pushing cylinder, 4-push rod, 5-connecting rod, 6-supporting rod, 7-cutting mechanism, 8-upper die, 9-sprue, 10-feeding hole, 11-cavity, 12-ejector rod, 13-lower die, 14-jacking cylinder, 15-mold core, 16-product, 17-sprue remainder, 18-upper cutting sheet, 19-lower cutting sheet, 20-pushing cylinder and 21-discharging plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1 and 2, the embodiment provides a mold with a gate remainder cutting function, which includes an upper mold 8 and a lower mold 13, wherein the upper mold 8 is provided with a feed inlet 10 and defines a cavity 11, the middle part of the upper end surface of the lower mold 13 is provided with a core 15, the cavity 11 and the core 15 define a mold cavity for forming a product 16, the feed inlet 10 is connected with the mold cavity through a gate 9, after the upper mold 8 and the lower mold 13 are closed, a plastic raw material sequentially passes through the feed inlet 10 and the gate 9 and is formed in the mold cavity, the lower mold 13 is arranged on a base 1, the base 1 is provided with a support seat 2 and a support rod 6, one side of the upper end surface of the lower mold 13 is provided with a cutting mechanism 7 for cutting off the gate remainder 17, the cutting mechanism 7 includes an upper cutting sheet 18 and a lower cutting sheet 19 which are hinged together, the lower ends of the upper cutting sheet, go up all articulated on excision piece 18 and the lower excision piece 19 have connecting rod 5, the one end that two connecting rods 5 kept away from the pin joint is connected with same push rod 4, be equipped with the pushing mechanism who is used for promoting push rod 4 on the supporting seat 2, after 16 cooling shaping of goods in the die cavity, go up mould 8 and lower mould 13 and part, pushing mechanism drives two connecting rod 5 movements through push rod 4, later two connecting rod 5 drive on excision piece 18 and lower excision piece 19 open and fold, when last excision piece 18 and lower excision piece 19 fold, can excise runner 9 clout, do not need artifical excision, saved the manpower, improved work efficiency.

Example 2

As shown in fig. 1 and 2, in this embodiment, a further improvement is made on the basis of embodiment 1, specifically, lower end surfaces of the upper cutting piece 18 and the lower cutting piece 19 are flush with a lower end of the gate 9 in a mold closing state, so that the gate remainder 17 is cut more cleanly, the workload of post polishing is reduced, and the work efficiency is improved.

Example 3

As shown in fig. 1 and 2, the present embodiment is further improved on the basis of embodiment 2, specifically, the pushing mechanism includes a pushing cylinder 3 disposed on the supporting seat 2, and a piston rod of the pushing cylinder 3 is connected to a push rod 4.

Example 4

As shown in fig. 1, this embodiment is further improved on the basis of embodiment 1, specifically, at least two jacking mechanisms are arranged in the lower mold 13, an ejector rod 12 is arranged at an output end of each jacking mechanism, the ejector rod 12 penetrates through an upper end surface of the lower mold 13 and extends into the mold cavity, and after the cutting mechanism 7 cuts off the excess material of the gate 9, the ejector rod 12 ejects the product 16 by driving of the jacking mechanisms, so that the product 16 can be taken down.

Example 5

As shown in fig. 1, this embodiment is further improved on the basis of embodiment 4, specifically, the jacking mechanism includes a jacking cylinder 14, and a piston rod of the jacking cylinder 14 is disposed upward and connected to the ejector rod 12.

Example 6

As shown in fig. 3, this embodiment is further improved on the basis of embodiment 5, specifically, a material pushing cylinder 20 is disposed on the rear side of the lower mold 13, a discharging plate 21 is disposed on the front side, after the product 16 is ejected by the jacking mechanism, the material pushing cylinder 20 pushes the product 16, and the product 16 is discharged by the discharging plate 21.

Claims (6)

1. The utility model provides a mould with runner clout excision function, includes mould (8) and lower mould (13), be equipped with feed inlet (10) on last mould (8) and inject die cavity (11), the middle part of lower mould (13) up end is equipped with core (15), die cavity (11) and core (15) inject the die cavity that forms goods (16), feed inlet (10) and die cavity pass through runner (9) and are connected, establish on base (1) lower mould (13), be equipped with supporting seat (2) and bracing piece (6) on base (1), its characterized in that, lower mould (13) up end one side is equipped with excision mechanism (7) that are used for excising runner clout (17), excision mechanism (7) are including articulated last excision piece (18) together and undercut piece (19), the lower extreme that goes up excision piece (18) and undercut piece (19) is established on bracing piece (6), go up all articulated on excision piece (18) and lower excision piece (19) have connecting rod (5), two connecting rod (5) keep away from the one end of pin joint and are connected with same push rod (4), be equipped with the pushing mechanism who is used for promoting push rod (4) on supporting seat (2).

2. The mold having a gate flash removing function according to claim 1, wherein the lower end surfaces of the upper and lower cut pieces (18, 19) are flush with the lower end of the gate (9) in a clamped state.

3. The mold with the gate residue cutting function according to claim 2, wherein the pushing mechanism comprises a pushing cylinder (3) arranged on the supporting base (2), and a piston rod of the pushing cylinder (3) is connected with the push rod (4).

4. The mold with the sprue residue cutting function according to any one of claims 1, 2 or 3, wherein at least two jacking mechanisms are arranged in the lower mold (13), an ejector rod (12) is arranged at an output end of each jacking mechanism, and the ejector rods (12) extend into the mold cavity through an upper end face of the lower mold (13).

5. The mold with the function of cutting off the gate remnants, according to claim 4, wherein the jacking mechanism comprises a jacking cylinder (14), and a piston rod of the jacking cylinder (14) is arranged upwards and connected with the ejector rod (12).

6. The mold with the sprue remainder cutting function according to claim 5, wherein said lower mold (13) is provided with a pushing cylinder (20) at a rear side and a discharging plate (21) at a front side.