CN219153591U

CN219153591U - A mould for moulding plastics lung function filter tip

Info

Publication number: CN219153591U
Application number: CN202320219577.6U
Authority: CN
Inventors: 郑晓霖; 何学礼; 朱小安; 钟优
Original assignee: Xiamen Xiaoyuren Technology Co ltd
Current assignee: Xiamen Xiaoyuren Technology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-09
Anticipated expiration: 2033-02-15

Abstract

The utility model relates to the technical field of dies, in particular to a die for injection molding a filter tip with a lung function, which comprises an upper die and a lower die, wherein the upper die comprises a panel and a first connecting plate which are sequentially arranged, an injection molding opening is formed in the panel, an upper die plate is arranged in the first connecting plate, the lower die comprises a second connecting plate, a supporting plate, a bottom plate, a push plate and an ejector plate, a lower die plate is arranged in the second connecting plate, a plurality of die cavities are formed in the upper die plate, a first die core and a second die core which correspond to the die cavities are arranged on the lower die plate, the second die core is detachably connected with the lower die plate, a plurality of molding cavities are formed between the upper die plate and the lower die plate after die assembly, and the molding cavities are communicated with the injection molding opening. The utility model is helpful to solve the problems that the existing lung function filter tip mould is differentiated and the flexible integration production function is not realized.

Description

A mould for moulding plastics lung function filter tip

Technical Field

The utility model relates to the technical field of dies, in particular to a die for injection molding a filter tip with a lung function.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. The method specifically comprises the steps of injecting heated and melted plastic into a die cavity under high pressure by an injection molding machine, and cooling and solidifying to obtain a molded product.

The manufacture of disposable lung function filters requires the reliance on injection molds. Some disposable lung function filters include protecgulum and hou gai two parts, and many manufacturing processes are with the independent die sinking production of two parts of filter at present, lead to single product need two sets of moulds just can process and obtain, and the back lid of filter is because the cooperation demand of the lung function instrument of different models of needs adaptation, and the size probably has the difference, and current independent die sinking mode then needs to set up many sets of moulds simultaneously, because this mould differentiation does not possess nimble integration production function, leads to earlier stage manufacturing cost higher, and manufacturing process needs independent control, and is comparatively loaded down with trivial details.

Disclosure of Invention

The utility model mainly aims to provide a die for injection molding of a lung function filter tip, which is beneficial to solving the problem that the existing lung function filter tip die is differentiated and does not have flexible integrated production function.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a mould for moulding plastics pulmonary function filter tip, includes mould and lower mould, go up the mould and including setting gradually panel and first connecting plate, be equipped with the mouth of moulding plastics on the panel, be equipped with the cope match-plate pattern in the first connecting plate, the lower mould includes second connecting plate, backup pad, bottom plate, push pedal and ejector pin board, is equipped with the lower bolster in the second connecting plate, is equipped with a plurality of die cavities on the cope match-plate pattern, be equipped with on the lower bolster with the corresponding first mold core of die cavity and second mold core, can dismantle between second mold core and the lower bolster and be connected, constitute a plurality of molding die cavities between cope match-plate pattern and the lower bolster after the compound die, molding die cavity and the mouth intercommunication of moulding plastics.

Further, during the compound die, lower bolster top surface and cope match-plate pattern bottom surface butt, the fixed first mold core of a plurality of that is equipped with of top surface of lower bolster, first mold core be the flange structure, and the top surface of lower bolster still is equipped with a plurality of mounting groove, and the second mold core passes through the fastener assembly in the mounting groove.

Furthermore, the ejector plate comprises a plurality of groups of ejector pins, each group of ejector pins corresponds to one forming cavity, each group of ejector pins are uniformly distributed at the bottom of the corresponding forming cavity, and when the die is opened, the ejector pins can synchronously extend into the forming cavities to finish the ejection action.

Further, cooling channels are arranged in the upper die plate and the lower die plate.

Compared with the prior art, the utility model at least comprises the following advantages:

according to the utility model, according to the differentiation of the existing filter tip mould, the fixed first mould core and the detachable second mould core are arranged on the lower mould plate, the first mould core is used for producing the front cover with relatively fixed specification and size, the second mould core is used for producing the rear cover with various specification and size, one is dynamic and static, the second mould cores with different specification and size can be flexibly replaced according to actual production requirements, so that the matching and synchronous production effect of the front cover and the rear cover is met.

Drawings

FIG. 1 is a schematic diagram of a mold in one embodiment;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of the upper mold plate of FIG. 2;

FIG. 4 is a schematic view of the lower die plate of FIG. 2;

fig. 5 is a cross-sectional view of fig. 1.

The drawing is marked: 1. a panel; 11. an injection molding port; 2. a first connection plate; 3. a second connecting plate; 31. sinking grooves; 32. a connecting through hole; 4. a support plate; 5. a bottom plate; 6. a push plate; 7. a needle ejection plate; 71. a spring; 72. a thimble; 8. an upper template; 81. a first diversion trench; 82. a first mold cavity; 83. a second mold cavity; 9. a lower template; 91. a first mold core; 92. a second mold core; 93. a cooling hole; 94. a mounting groove; 95. a second diversion trench; 10. a front cover; 20. and a rear cover.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the specific examples.

Referring to fig. 1-5, the present embodiment discloses a mold for injection molding a filter tip for lung function, which is composed of an upper mold and a lower mold, and in combination with fig. 1, the upper mold includes a panel 1 and a first connecting plate 2 sequentially arranged, and the panel 1 and the first connecting plate 2 are fixedly connected by screws.

The panel 1 is provided with an injection molding opening 11 which is used for being connected with an injection molding machine and injecting materials in a hot melting state into a mold.

The movable embedded cope match-plate pattern 8 that is equipped with in first connecting plate 2 bottom, cope match-plate pattern 8 bottom surface are equipped with 8 die cavities, and 8 die cavities divide into two sets, and 4 in every group are first die cavity 82 and second die cavity 83 respectively, and first die cavity 82 and second die cavity 83 correspond respectively and make front cover 10 and back cover 20 of filter tip. The middle part of the bottom surface of the upper template 8 is provided with a first diversion trench 81, the input end of the first diversion trench 81 is communicated with the injection molding opening 11, and the output end is communicated with each mold cavity to play a role in guiding the hot melt plastic.

The lower die comprises a second connecting plate 3, a supporting plate 4, a bottom plate 5, a push plate 6 and a thimble plate 7, and is used for matching with the upper die to carry out die assembly and die opening. The supporting plate 4 is fixedly connected with the bottom plate 5 through screws. Guide rods are arranged between the rest plate bodies.

As shown in fig. 2, a sinking groove 31 is formed at the top of the second connecting plate 3, a lower die plate 9 is movably embedded in the sinking groove 31, and in combination with fig. 4, a first die core 91 and a second die core 92 corresponding to the die cavity are arranged on the lower die plate 9, the second die core 92 is detachably connected with the lower die plate 9, after die assembly, a plurality of forming cavities are formed between the upper die plate 8 and the lower die plate 9, and the forming cavities are communicated with the injection molding opening 11. The first mold core 91 corresponds to the molding production of the front cover 10, and the second mold core 92 corresponds to the molding production of the rear cover 20.

Specifically, the top surface of lower bolster 9 is fixed to be equipped with 4 first mold cores 91, and first mold core 91 is the flange structure, and the top surface of lower bolster 9 still is equipped with 4 mounting groove 94, and second mold core 92 passes through the screw locking assembly in mounting groove 94, and this makes the operating personnel can change the second mold core 92 of different specification sizes (such as the mold core structure of different bottom lengths) in a flexible way according to actual demand. After the die assembly, the top parts of the first die core 91 and the second die core 92 are uniformly and correspondingly inserted into the first die cavity 82 and the second die cavity 83 at the bottom of the upper die plate 8, a forming cavity is formed between the die cavities and the die cores, and the hot-melt plastic is subjected to pressure maintaining and cooling in the forming cavity to obtain a product. The top surface of the lower template 9 is also provided with a second diversion trench 95 corresponding to the first diversion trench 81, and after the die is assembled, the two diversion trenches are aligned and attached to form a complete diversion channel, so that the hot melt plastic can be evenly and quickly diverted into each molding cavity.

And a limiting clamping structure is further arranged between the upper die plate 8 and the lower die plate 9, and is embodied at four corners of the contact surface of the upper die plate 8 and the lower die plate, and an adaptive concave-convex structure exists.

Further, the ejector plate 7 includes a plurality of groups of ejector pins 72, each group of ejector pins 72 corresponds to a molding cavity, and each group of ejector pins 72 is uniformly distributed at the bottom of the corresponding molding cavity, and when the mold is opened, the ejector pins 72 can synchronously extend into the molding cavity to complete the ejection action. The ejector plate 7 is also provided with a spring 71 for resetting the ejector pin 72 after ejection.

Further, referring to fig. 5, cooling channels are provided in the upper and

lower templates

8 and 9. Taking the lower die plate 9 as an example, a cooling hole 93 is formed in the side wall of the lower die plate 9 and is used as an inlet and an outlet of a cooling channel, the cooling channel is located in the peripheral area of the forming cavity in the lower die plate 9 to form a path for cooling medium to flow, a connecting through hole 32 matched with the cooling hole 93 is formed in the side wall of the second connecting plate 3, after die assembly, the connecting through hole 32 is used for being connected with external cooling equipment, and the cooling medium enters the lower die plate 9 through the connecting through hole 32 and the cooling hole 93 and is used for cooling the lower die plate 9 in the injection molding process.

When the die is opened, the upper die moves upwards to drive the first upper die plate 8 to be separated from the lower die plate 9, the upper half part of the molded product is exposed, the push rod on the push plate 6 drives the ejector plate 7 to lift up, the ejector pins 72 eject the product upwards, the top ends of the ejector pins 72 cooperate to uniformly and comprehensively lift up the product, the ejection action is completed, the ejector plate 7 then descends, and the springs 71 help the ejector pins 72 to slide downwards and reset.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A mould for moulding plastics lung function filter tip, its characterized in that, including last mould and lower mould, go up the mould and including setting gradually panel and first connecting plate, be equipped with the mouth of moulding plastics on the panel, be equipped with the cope match-plate pattern in the first connecting plate, the lower mould includes second connecting plate, backup pad, bottom plate, push pedal and ejector pin board, is equipped with the lower bolster in the second connecting plate, is equipped with a plurality of die cavities on the cope match-plate pattern, be equipped with on the lower bolster with the corresponding first mold core of die cavity and second mold core, can dismantle between second mold core and the lower bolster and be connected, constitute a plurality of molding cavities between cope match-plate pattern and the lower bolster after the compound die, molding cavity and the mouth intercommunication of moulding plastics.

2. The mold for injection molding of a lung function filter tip according to claim 1, wherein the top surface of the lower mold plate is abutted against the bottom surface of the upper mold plate when the mold is closed, a plurality of first mold cores are fixedly arranged on the top surface of the lower mold plate, the first mold cores are of a flange structure, a plurality of mounting grooves are further formed in the top surface of the lower mold plate, and the second mold cores are assembled in the mounting grooves through fasteners.

3. The mold for injection molding of a filter tip with a lung function according to claim 1, wherein the ejector plate comprises a plurality of groups of ejector pins, each group of ejector pins corresponds to one molding cavity, each group of ejector pins are uniformly distributed at the bottom of the corresponding molding cavity, and the ejector pins can synchronously extend into the molding cavity to complete the ejection action when the mold is opened.

4. A mould for injection moulding of a lung function filter according to claim 1, wherein cooling channels are provided in the upper and lower mould plates.