CN211640784U

CN211640784U - Injection mold structure of plastic bowl

Info

Publication number: CN211640784U
Application number: CN201922199555.4U
Authority: CN
Inventors: 陈运志
Original assignee: Dongguan City Ruicheng Precision Mold Co ltd
Current assignee: Dongguan City Ruicheng Precision Mold Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-10-09
Anticipated expiration: 2029-12-10

Abstract

The utility model provides an injection mold structure of plastic bowl, including last die assembly, lower die assembly, it includes bedplate, upper padding plate, top board, cope match-plate pattern to go up the die assembly, be equipped with a recess on the cope match-plate pattern, still be connected with feeding subassembly on the last die assembly, feeding subassembly's output with recess through connection, lower die assembly includes bedplate, connection down the lower bolster of bedplate upper end, connection are in the holding down plate, the connection of lower bolster upper end the screw thread post at holding down plate upper end middle part and with screw thread post threaded connection's mould benevolence, mould benevolence with form a die cavity between the recess, the lower bolster inboard still is equipped with the liftout subassembly. The utility model discloses an injection mold structure is applicable to the preparation plastics bowl, can change mould benevolence at any time, makes its plastics bowl that can produce various thickness sizes, and is compatible strong.

Description

Injection mold structure of plastic bowl

Technical Field

The utility model relates to the technical field of mold, concretely relates to injection mold structure of plastics bowl.

Background

The injection molding product is a common daily product, and is widely applied to the fields of household products, medical equipment, building materials, sports equipment and the like due to the advantages of light weight, high strength, good durability, strong assembly and the like. In the manufacturing process of injection molding products, plastic materials in a molten state are generally uniformly stirred by a screw extruder at a certain temperature, then injected into an injection mold, molded in a cavity of the injection mold, and cooled and solidified to obtain the molded injection molding products.

The plastic bowl is a common injection molding product, and in consideration of differences between use scenes and production cost, the plastic bowl with various thicknesses is usually required to be manufactured, however, a conventional injection mold suitable for the plastic bowl is usually a product with one mold corresponding to one size, so that a plurality of molds are required to meet various requirements, and the production cost is invisibly increased.

SUMMERY OF THE UTILITY MODEL

To above problem, the utility model provides an injection mold structure of plastic bowl is applicable to the preparation plastic bowl, can change mould benevolence at any time, makes its plastic bowl that can produce various thickness sizes, and is compatible strong.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides an injection mold structure of plastic bowl, includes upper die assembly, lower die assembly, upper die assembly includes the bedplate, connects the upper padding plate of upper padding plate lower extreme, connect the top board of upper padding plate lower extreme and connect the cope match-plate pattern of upper padding plate lower extreme, be equipped with a recess on the cope match-plate pattern, still be connected with the feeding subassembly on the upper die assembly, the output of feeding subassembly with recess through connection, lower die assembly includes the bedplate, connects down the lower bolster of bedplate upper end, connect the lower bolster of lower bolster upper end, connect the screw thread post at lower bolster upper end middle part and with screw thread post threaded connection's mould benevolence, mould benevolence with form a die cavity between the recess, the lower bolster inboard still is equipped with the liftout subassembly.

Specifically, the liftout subassembly includes the push rod, connects push pedal and the connection of push rod upper end are in the thimble of push pedal upper end, the thimble is located the die cavity bottom.

Specifically, a guide rod is further connected between the lower seat plate and the lower pressing plate, and the push plate is connected with the guide rod in a sliding mode.

Specifically, the mold insert is further provided with a circulating pipeline, the circulating pipeline is wound on the outer side of the groove, and the circulating pipeline is further connected with a circulating water pump.

Specifically, the feeding assembly comprises a pouring gate fixed on the upper base plate and a hot runner connected to the lower end of the pouring gate, and the hot runner is the output end of the feeding assembly.

The utility model has the advantages that:

the utility model discloses an injection mold is applicable to the preparation plastics bowl, can change mould benevolence at any time, makes its plastics bowl that can produce various thickness sizes, and is compatible strong to mould benevolence passes through threaded connection's mode installation, changes easily, in addition, has still increased a circulating line, and the expert has cold water in the circulating line for the cooling efficiency of product.

Drawings

Fig. 1 is the structure schematic diagram of the utility model when the injection mold structure of the plastic bowl closes the mold.

The reference signs are: the device comprises an upper die assembly 1, an upper seat plate 11, an upper backing plate 12, an upper pressure plate 13, an upper die plate 14, a lower die assembly 2, a lower seat plate 21, a lower backing plate 22, a lower pressure plate 23, a threaded column 24, a die core 25, a feeding assembly 3, a pouring gate 31, a hot runner 32, a die cavity 4, an ejection assembly 5, a push rod 51, a push plate 52, an ejector pin 53, a guide rod 6 and a circulating pipeline 7.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

As shown in fig. 1:

an injection mold structure of a plastic bowl comprises an upper mold component 1 and a lower mold component 2, wherein the upper mold component 1 comprises an upper seat plate 11, an upper base plate 12 connected to the lower end of the upper seat plate 11, an upper pressing plate 13 connected to the lower end of the upper base plate 12, and an upper mold plate 14 connected to the lower end of the upper pressing plate 13, a groove is arranged on the upper mold plate 14, a feeding component 3 is further connected to the upper mold component 1, the output end of the feeding component 3 is communicated with the groove, the lower mold component 2 comprises a lower seat plate 21, a lower base plate 22 connected to the upper end of the lower seat plate 21, a lower pressing plate 23 connected to the upper end of the lower base plate 22, a threaded column 24 connected to the middle part of the upper end of the lower pressing plate 23, and a mold core 25 in threaded connection with the threaded column 24, a cavity 4 is formed between the mold core 25 and the groove, the mold core 25 and the threaded, therefore, plastic bowls with different thickness and sizes can be manufactured, the ejecting component 5 is further arranged on the inner side of the lower backing plate 22, after injection molding is completed and die opening is carried out, the plastic bowl is sleeved on the upper end face of the die core 25, and the plastic bowl is ejected out through the ejecting component 5.

Preferably, the ejector assembly 5 comprises a push rod 51, a push plate 52 connected to the upper end of the push rod 51, and a thimble 53 connected to the upper end of the push plate 52, wherein the thimble 53 is located at the bottom of the cavity 4, and particularly, the plastic bowl is ejected through the thimble 53.

Preferably, in order to make the push plate 52 slide up and down more smoothly, a guide rod 6 is further connected between the lower seat plate 21 and the lower press plate 23, and the push plate 52 is slidably connected with the guide rod 6.

Preferably, the mold core 25 is further provided with a circulating pipeline 7, the circulating pipeline 7 is wound outside the groove, the circulating pipeline 7 is further connected with a circulating water pump, and the circulating water pump pumps cold water into the circulating pipeline 7, so that the cooling speed of the product is increased.

Preferably, the feeding assembly 3 comprises a pouring gate 31 fixed on the upper seat plate 11, and a hot runner 32 connected to the lower end of the pouring gate 31, the hot runner 32 is the output end of the feeding assembly 3, and the pouring gate 31 is connected to the discharge port of the screw extruder for feeding.

The above embodiments only represent one embodiment of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an injection mold structure of plastics bowl, includes upper die assembly (1), lower die assembly (2), its characterized in that, upper die assembly (1) includes bedplate (11), connects upper padding plate (12) of upper bedplate (11) lower extreme, connect upper plate (13) and connection at upper padding plate (12) lower extreme upper plate (13) upper die plate (14) of lower extreme, be equipped with a recess on upper die plate (14), still be connected with feed assembly (3) on upper die assembly (1), the output of feed assembly (3) with recess through connection, lower die assembly (2) include bedplate (21), connect down bedplate (22) of bedplate (21) upper end, connect lower bolster (23) of bedplate (22) upper end, connect screw post (24) in the middle part of clamp plate (23) upper end, And the die core (25) is in threaded connection with the threaded column (24), a cavity (4) is formed between the die core (25) and the groove, and the inner side of the lower backing plate (22) is also provided with a material ejecting component (5).

2. An injection mold structure for a plastic bowl as claimed in claim 1, wherein the ejector assembly (5) comprises a push rod (51), a push plate (52) connected to the upper end of the push rod (51), and an ejector pin (53) connected to the upper end of the push plate (52), the ejector pin (53) being located at the bottom of the cavity (4).

3. An injection mold structure of a plastic bowl as claimed in claim 2, characterized in that a guide rod (6) is connected between the lower seat plate (21) and the lower pressure plate (23), and the push plate (52) is connected with the guide rod (6) in a sliding manner.

4. An injection mold structure of a plastic bowl as claimed in claim 1, wherein the mold core (25) is further provided with a circulation pipeline (7), the circulation pipeline (7) is wound outside the groove, and the circulation pipeline (7) is further connected with a circulation water pump.

5. An injection mold structure for a plastic bowl as claimed in claim 1, characterized in that the feeding assembly (3) comprises a pouring opening (31) fixed on the upper seat plate (11), and a hot runner (32) connected to the lower end of the pouring opening (31), wherein the hot runner (32) is the output end of the feeding assembly (3).