CN220995325U - Injection molding sealing cover plate mold with exhaust system - Google Patents

Abstract

The utility model discloses an injection molding sealing cover plate mold with an exhaust system, which comprises an upper mold assembly, wherein the upper mold assembly comprises an upper inner mold, and the upper inner mold is provided with an upper inner mold insert; the lower die assembly comprises a lower inner die, and the lower inner die is provided with a lower inner die insert; the upper die assembly slides along the guide post to complete die assembly operation and demolding operation of the lower die assembly; the upper inner mold, the upper inner mold insert, the lower inner mold and the lower inner mold insert form a mold cavity together, and the mold cavity is communicated with an exhaust system. The mold part inserts adopt a splicing mode to form various exhaust gaps, and are combined with the exhaust insert pins to form a complete exhaust system, so that the problems of deep cavity internal temperature and large plane air accumulation are reduced to the greatest extent, the mold cavity is uniform in glue injection during product injection molding, the appearance of the product is free of flash and scorching phenomena, the deformation of the product is small, the size is stable, the size precision of the product can be ensured, the appearance of the injection molded product is attractive, the flash and scorching are avoided, the product precision is good, the size is stable, and the assembly qualification rate is high.

Description

Injection molding sealing cover plate mold with exhaust system

Technical Field

The utility model relates to the technical field of injection sealing cover plate molds, in particular to an injection sealing cover plate mold with an exhaust system.

Background

The injection molding sealing cover plate is generally assembled on the front coaming and the intermediate shaft of the whole automobile, plays a role in dust prevention, water prevention, sound insulation and noise reduction, has a complex appearance structure, is generally made of hard rubber and rubber coated with soft rubber, is embedded with an inner framework, adopts a deep mold cavity, has a large required rubber coating surface, and has extremely high requirements on the dimensional accuracy and appearance of the product.

The existing mould for producing the injection molding sealing cover plate is generally incomplete in exhaust system, free of exhaust or less in exhaust, the produced product is large in deformation of appearance, serious in scorching flash and unstable in size, the product cannot be assembled and sealed, the inner plane of the product is easy to be pulled, scorched and serious in plane air trapping flash, and repair is difficult.

The existing mould is limited by the structure of the product, is generally processed according to one mould and one cavity in order to ensure the qualification rate of the product, has low production efficiency, is not easy to realize automatic production, and is required to develop a new injection sealing cover plate mould in reality for improving the quality, qualification rate and production efficiency of the product based on the above reasons.

Patent document CN216182376U discloses a high-pressure sealing cover injection mold capable of being cooled rapidly, but the mold does not have a sufficient exhaust system and is not suitable for automation operation.

Disclosure of utility model

The utility model aims to provide an injection molding sealing cover plate mold with an exhaust system, which solves the problems of low automation degree, insufficient mold exhaust and low product quality of the injection molding sealing cover plate mold.

The aim of the utility model can be achieved by the following technical scheme: an injection sealing cover plate mold with an exhaust system comprises an upper mold assembly, wherein the upper mold assembly comprises an upper inner mold provided with an upper inner mold insert;

the lower die assembly comprises a lower inner die, and the lower inner die is provided with a lower inner die insert;

The upper die assembly slides along the guide post to complete die assembly operation and demolding operation of the lower die assembly; the upper inner die, the upper inner die insert, the lower inner die and the lower inner die insert form a die cavity together, and the die cavity is communicated with an exhaust system.

Further: the upper die assembly further comprises a top plate, a water gap push plate and an A plate which are sequentially arranged from top to bottom; the top plate is embedded with a glue nozzle, and the water gap pushing plate is provided with a hole groove corresponding to the glue nozzle; the A plate is provided with a glue groove, and the water gap pushing plate is attached to the A plate to form a glue flowing channel together; the A plate is provided with an upper inner die cavity for accommodating the upper inner die; a plate and go up the centre form and offered a plurality of injecting glue ways jointly, the gluey mouth is through flowing glue way and a plurality of injecting glue way intercommunication die cavity.

Further: the lower die assembly further comprises a bottom plate, two C side plates and a B plate, wherein the two C side plates are positioned between the bottom plate and the B plate, and the B plate is provided with a lower inner die cavity for accommodating the lower inner die.

Further: the top plate and the water gap push plate are embedded with a plurality of crochets, and the top of each crochet is aligned to the connection port of each glue injection channel and each glue flow channel.

Further: the demolding pushing assembly comprises a thimble bottom plate and a thimble panel;

The upper side of the thimble bottom plate is provided with a thimble panel, the thimble bottom plate is connected with the bottom plate, and the thimble bottom plate is also connected with a plurality of support columns;

The thimble panel is connected with a plurality of support columns in a sliding manner, the thimble panel is connected with a plurality of flat thimbles and a plurality of inclined plane thimbles, and the thimble panel is connected with a plurality of stroke inserts;

The stroke insert is embedded into the thimble bottom plate and the bottom plate, and the stroke end of the stroke insert controls the sliding stroke of the thimble panel;

The ejector pin panel drives a plurality of flat ejector pins and a plurality of inclined plane ejector pins to push the molded product in the mold cavity when sliding.

Further: the upper inner mold insert is embedded in the upper inner mold and comprises an injection channel insert, an upper molding insert and an upper splicing insert;

the lower inner mold insert is embedded in the lower inner mold and comprises a lower modeling insert and a lower splicing insert;

An exhaust gap is formed between the upper inner mold insert and the upper inner mold, an exhaust gap is formed between the lower inner mold insert and the lower inner mold, and the lower split insert and the upper split insert are provided with exhaust gaps.

Further: the lower molding insert is internally embedded with an exhaust insert pin which is communicated with the mold cavity.

Further: a plurality of straight body side locks are arranged between the A plate and the B plate, and the straight body side locks are used for locking the die closing positions of the A plate and the B plate.

Further: a plurality of travel screws I are connected between the top plate and the water gap push plate, a plurality of travel screws II are connected between the water gap push plate and the A plate, and the process of opening the injection sealing cover plate mold comprises the following steps of:

S1: lifting a top plate, hooking the glue injection residual materials by a crochet hook, integrating the top plate with a water gap push plate, opening a die at a position PL1 by the water gap push plate and the A plate, and removing the glue injection residual materials within a travel distance of a travel screw II;

s2, continuously lifting the top plate, separating the top plate from the water gap pushing plate, opening the die of the top plate and the water gap pushing plate at the position PL2, separating the top plate from the water gap pushing plate by the travel distance of the travel screw I, and separating the glue nozzle from the water gap pushing plate;

S3: and continuously lifting the top plate, and opening the die at the PL3 position of the plate A and the plate B through the travel distance of the travel screw I and the travel distance of the travel screw II to drive the upper inner die to be separated from the lower inner die.

Further: a plurality of buffer springs are arranged between the A plate and the water gap pushing plate, each buffer spring is sleeved on the outer side of the corresponding travel screw, and the buffer springs and the corresponding travel screw are kept to slide relatively.

The utility model has the beneficial effects that:

1. the upper inner die and the lower inner die insert are reasonably arranged in the die, a part of inserts are spliced to form various exhaust gaps, and the exhaust inserts are combined to form a complete exhaust system, so that the problems of the inner temperature of a deep cavity and large plane air accumulation are reduced to the greatest extent, the problem of seizure and damage caused by thermal expansion of products is solved, the die cavity glue injection is uniform when the products are injection molded, the appearance of the products is free of flash and scorching, the deformation of the products is small, the size is stable, the dimensional accuracy of the products can be ensured, the appearance of the injection molded products is attractive, the flash and scorching are avoided, the product accuracy is good, the size is stable, and the assembly qualification rate is high.

2. The utility model adopts a mold with two cavities, the whole mold has compact structure, fully utilizes the space, has consistent water gap positions of the water gap pushing plate, has good dispersion glue-spreading balance degree, has high mold productivity, is convenient for automatic production, and is beneficial to realizing the miniaturization of an automatic mold.

3. The utility model is provided with the demolding pushing assembly, the flat ejector pins and the inclined ejector pins in the demolding pushing assembly push different parts of a molded product, the demolding of the product is quick and convenient, the degree of automation is high, the demolding quality of the product is high, and the product is not easy to damage.

4. According to the utility model, the hook needle is adopted to hook out the glue injection residual material, the glue flowing channel and the residual material in the glue injection channel are hooked by the hook needle after being cooled, and the glue injection residual material can be taken away by the auxiliary device, so that the automatic operation production of the die is conveniently realized.

5. The utility model opens the mould for three times, is convenient for cleaning the glue injection residual material, is convenient for taking out the product, and can realize the automatic operation production of the mould.

Drawings

FIG. 1 is a schematic view of the appearance of an injection molding sealing cover mold with an exhaust system according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an injection molding sealing cover mold with an exhaust system according to the present utility model;

FIG. 3 is a schematic illustration of a sub-assembly of an injection molding sealed closure plate mold with an exhaust system according to the present utility model;

FIG. 4 is an exploded view of an injection molding sealing cover mold with an exhaust system according to the present utility model;

FIG. 5 is a schematic view of the vent insert and lower molding insert of the present utility model;

FIG. 6 is a schematic view of a structure of the present utility model when the mold is opened;

FIG. 7 is a schematic view of another embodiment of the present utility model when the mold is opened;

FIG. 8 is a schematic view of another embodiment of the present utility model when the mold is opened;

FIG. 9 is a schematic view of a structure of the product of the present utility model when it is released from the mold.

A. a product; a1, an inner framework; B. injecting glue residue;

100. An upper die assembly; 110. a top plate; 120. a water gap pushing plate; 130. a plate A; 131. a glue groove; 132. a glue flow channel; 133. a glue injection channel 133; 140. a glue nozzle; 141. a positioning ring; 150. an upper internal mold; 151. a glue injection channel 133 insert; 152. an upper molding insert; 153. an upper split insert; 160. a crochet hook;

200. A lower die assembly; 210. a bottom plate; 220. a C side plate; 230. a B plate; 240. a lower internal mold; 241. a lower molding insert; 242. a lower split insert; 243. exhausting and inserting a needle;

300. A guide post;

400. demolding pushing assembly; 410. a thimble bottom plate; 420. a thimble panel; 430. a support column; 440. a flat thimble; 450. inclined plane thimble; 460. a stroke insert;

500. A straight body side lock;

600. a travel screw I;

700. A travel screw II; 710. a buffer spring; 711. a spring placement hole;

800. Moving the fixed rod;

900. And a button machine interface.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

As shown in fig. 1-9, the present utility model discloses an injection molding sealing cover mold with an exhaust system, comprising.

An injection sealed cover plate mold with an exhaust system, characterized in that: comprising the following steps:

An upper die assembly 100 comprising an upper inner die 150, said upper inner die 150 being provided with an upper inner die insert;

a lower die assembly 200 comprising a lower inner die 240, said lower inner die 240 being provided with a lower inner die insert;

Wherein, the upper die assembly 100 slides along the guide post 300 to complete the die assembly and the die release operation with the lower die assembly 200; the upper mold 150, upper mold insert and lower mold 240 and lower mold insert together comprise a mold cavity; the die cavity is communicated with an exhaust system.

As shown in fig. 3 and 4, the injection molding sealing cover plate product A has a complex appearance structure, deep cavity and large rubber-coated surface, an inner framework A1 is embedded in rubber, the injection molding sealing cover plate is used for being assembled on a front coaming and a middle shaft of the whole automobile, the effects of dust prevention, water prevention, sound insulation and noise reduction are achieved, the injection molding sealing cover plate product A is suitable for various automobile types, the application is particularly wide, and the dimensional accuracy and the appearance requirement of the product A are relatively high.

When the injection molding sealing cover plate product A is processed, sufficient exhaust is required to be carried out simultaneously, otherwise, the produced product A is large in deformation of appearance, serious in scorching flash and unstable in size, so that the assembly and sealing cannot be carried out, the inner plane of the product A is easy to be pulled, scorched and serious in plane air trapping flash, and the repair is difficult.

The upper inner mold insert and the lower inner mold insert are arranged in the mold, an exhaust gap is formed between the inserts, the structures of the upper inner mold insert and the lower inner mold insert are shown in fig. 2 and 3, the upper inner mold insert is embedded in the upper inner mold 150, and the upper inner mold insert comprises an injection channel insert 151, an upper molding insert 152 and an upper splicing insert 153; a lower inner mold insert is inlaid within the lower inner mold 240, the lower inner mold insert comprising a lower molding insert 241 and a lower split insert 242; the upper and lower inner molds insert and 150 have a vent gap therebetween, the lower and lower inner molds insert and 240 have a vent gap therebetween, and the lower and upper split inserts 242 and 153 have a vent gap therebetween.

As shown in fig. 5, a vent insert 243 is inserted into the lower molding insert 241, and the vent insert 243 communicates with the cavity.

The exhaust system of the application adopts the combination of the insert splicing structure and the exhaust insert 243, and the exhaust system is arranged on different planes and corners of the product A.

For example:

the plurality of flat ejector pins 440 and the plurality of beveled ejector pins 450 eject the ejection holes of the product a.

The upper split insert 153 and the lower split insert 242 adopt a mutually-spliced structure, the outer side of the upper split insert 153 is sleeved with the inner framework A1, the upper split insert 153 and the lower split insert 242 adopt a spliced mode instead of an integrated structure, the inner framework A1 is conveniently sleeved, and the structural gap between the upper split insert 153 and the lower split insert 242 is fully utilized for exhausting.

The structure of the glue injection channel 133 is improved by using the glue injection channel insert 151, and the gas in the glue injection channel 133 is discharged in the glue injection process.

An air vent gap formed by the upper molding insert 152 and the upper inner mold 150, and an air vent gap formed by the lower molding insert 241 and the lower inner mold 240.

By adopting the exhaust structure of the system, the cavity is uniformly injected with glue when the product A is injection molded, the appearance of the product A has no flash and scorching phenomenon, the deformation of the product A is small, and the size is stable; the dimensional accuracy of the product A can be ensured, the injection molded product A has attractive appearance, no flash and no scorching, the product A has good accuracy, stable size and high assembly qualification rate. Meanwhile, the integral die has compact structure, and can realize one-out-two of small-sized equipment, namely double-mode arrangement, high productivity and full-automatic production.

The overall structure of the die is shown in fig. 2, 3 and 4, the upper die assembly 100 comprises a top plate 110, a water gap pushing plate 120 and an A plate 130 which are sequentially arranged from top to bottom, the top plate 110 is attached to the water gap pushing plate 120 and is jointly inlaid with a glue nozzle 140, a locating ring 141 is inlaid between the glue nozzle 140 and the top plate 110 to locate the position of the glue nozzle 140, the glue nozzle 140 is movably connected with the water gap pushing plate 120, and when the die is removed, the glue nozzle 140 is separated from the water gap pushing plate 120, so that the glue nozzle 140 can be conveniently cleaned, and the glue injection residual material B is removed.

The A plate 130 is provided with an upper die cavity, an upper inner die 150 is arranged in the upper die cavity, and the upper inner die 150 is fixedly connected with the A plate 130.

The top surface of the A plate 130 is provided with a glue groove 131, when the water gap pushing plate 120 is attached to the A plate 130, a glue flowing channel 132 is formed together, the A plate 130 and the upper inner die 150 are provided with a plurality of glue injecting channels 133 together, and the glue nozzle 140 is communicated with a die cavity through the glue flowing channel 132 and the glue injecting channels 133.

When the die is assembled, the flowing process of the glue solution is as follows: glue solution flows into the glue flow channel 132 from the glue nozzle 140, the glue flow channel 132 divides the glue solution into the glue injection channels 133, each of the glue injection channels 133 of the mold can be four as shown in the figure, and the glue solution can be adjusted according to the requirement and injected into the mold cavity through the glue injection channels 133.

As shown in fig. 1, 2 and 4, the lower mold assembly 200 includes a bottom plate 210, two C side plates 220 and a B plate 230, the two C side plates 220 are located between the bottom plate 210 and the B plate 230, the B plate 230 is provided with a lower mold cavity for accommodating a lower mold 240, the lower mold cavity is used for setting the lower mold 240, and the B plate 230 is fixedly connected with the lower mold 240.

The two C-side plates 220 are respectively connected with the bottom plate 210 and the B-plate 230 to form a stable connection structure, the two C-side plates 220 are oppositely arranged, and a space formed between the two C-side plates 220 is used for installing the demolding pushing assembly 400.

The structure of the demolding and pushing assembly 400 is shown in fig. 3 and 4, and the demolding and pushing assembly 400 comprises a thimble bottom plate 410 and a thimble panel 420; the ejector pin baseplate 410 is connected with the baseplate 210, the ejector pin faceplate 420 is arranged on the upper side of the ejector pin baseplate 410, the stroke insert 460 is embedded into the ejector pin baseplate 410 and the baseplate 210, the stroke end of the stroke insert 460 is connected with the bottom surface of the ejector pin faceplate 420, the stroke insert 460 is externally connected with a pneumatic component, and the stroke end of the stroke insert 460 controls the sliding stroke of the ejector pin faceplate 420; the ejector pin base plate 410 is also connected with a plurality of ejector pins 430, the ejector pin panel 420 is connected with the plurality of ejector pins 430 in a sliding manner, the ejector pin panel 420 and the ejector pin base plate 410 form movable connection, the top plate surface of the ejector pin panel 420 is connected with a plurality of flat ejector pins 440 and a plurality of inclined plane ejector pins 450, and the ejector pin panel 420 drives the plurality of flat ejector pins 440 and the plurality of inclined plane ejector pins 450 to push the molded product A in the mold cavity when sliding.

As shown in fig. 9, when demolding is performed, the upper inner mold 150 is first opened to separate from the lower inner mold 240, the pneumatic assembly is used to control the stroke insert 460, the stroke end of the stroke insert 460 pushes the ejector pin panel 420, the ejector pin panel 420 pushes the plurality of flat ejector pins 440 and the plurality of inclined plane ejector pins 450, the plurality of flat ejector pins 440 and the plurality of inclined plane ejector pins 450 push the molded product a, the flat ejector pins 440 are mainly used to push the plane part of the product a, the inclined plane ejector pins 450 push the inclined plane of the product a to finish demolding of the product a, and after demolding of the product a, the stroke insert 460 is controlled to retract to return the ejector pin panel 420.

In order to realize the automation of the mold and realize the automation of removing the residual material B of the injected glue, as shown in fig. 2 and 3, a plurality of bearded needles 160 are embedded in the top plate 110 and the water gap push plate 120 together, the top of each bearded needle 160 is aligned with the connection port of each glue injection channel 133 and the glue flow channel 132, the head of the bearded needle 160 can adopt the structure shown in fig. 3, so as to be convenient for hooking the residual material B of the injected glue, and the bearded needle 160 can also be adjusted according to the requirement.

As shown in fig. 6 and 7, after the product a is cooled and molded after the glue injection is completed, the residual materials in the glue flow channel 132 and the glue injection channel 133 are hooked by the hook needle 160 after cooling, and when the mold is released, the water gap push plate 120 is separated from the a plate 130, and the residual material B hooked by the hook needle 160 can be taken away by an auxiliary device, so that the automatic operation production of the mold is conveniently realized.

Further, a plurality of straight edge locks 500 are installed between the a plate 130 and the B plate 230, and the plurality of straight edge locks 500 are used for locking the clamping positions of the a plate 130 and the B plate 230. The position accuracy of the A plate 130 and the B plate 230 can be kept when the die is assembled, the deviation can not occur, and the molding precision of the product A is improved.

In order to better adapt to the automatic production requirement of the mould, the demoulding efficiency and quality are improved, and as shown in figures 6-8, when the mould is opened, a mode of three times of mould opening is adopted:

The first mold opening, the top plate 110 is lifted firstly, at this time, the crochet 160 hooks the cooled glue injection residual material B, the top plate 110 and the water gap pushing plate 120 are connected into a whole, the top plate 110 drives the water gap pushing plate 120 to lift together, the mold is opened at the PL1 position, the water gap pushing plate 120 is separated from the A plate 130, the glue injection residual material B is hooked from the glue injection channel 133 and the glue flow channel 132 and exposed to the outside, a nylon button machine is installed between the A plate 130 and the B plate 230, the nylon button machine is connected with the A plate 130 and the B plate 230 through a button machine interface 900, the A plate 130 and the B plate 230 are kept fixed and cannot be opened, and an auxiliary device removes the glue injection residual material B in the stroke distance of the stroke screw two 700 in the rising process of the water gap pushing plate 120 relative to the A plate 130.

And the second mold opening is performed, because the glue injection residual material B is removed, the top plate 110 is continuously lifted, the top plate 110 and the water gap pushing plate 120 are separated, the top plate 110 is continuously lifted, the top plate 110 is separated from the water gap pushing plate 120, the top plate 110 and the water gap pushing plate 120 are opened at the position PL2, the top plate 110 and the water gap pushing plate 120 are separated by the travel distance of the travel screw 600, the glue nozzle 140 is separated from the water gap pushing plate 120, and the residual material in the glue nozzle 140 can be conveniently cleaned by the second mold opening.

And thirdly, die sinking is carried out, the top plate 110 is continuously lifted, when the travel distance of the travel screw I600 is reached between the top plate 110 and the water gap push plate 120, the travel distance of the travel screw II 700 is reached between the water gap push plate 120 and the A plate 130, the travel screw II 700 drives the force of the A plate 130 to exceed the setting force of the nylon button machine, the A plate 130 and the B plate 230 are die sinking at the PL3 position, the A plate 130 is fixedly connected with the upper inner die 150, the B plate 230 is fixedly connected with the lower inner die 240, and therefore the die sinking of the upper inner die 150 and the lower inner die 240 is realized, the upper inner die 150 is separated from the lower inner die 240, and the molded product A is conveniently taken out after the third die sinking.

Further, as shown in fig. 3 and 4, the a plate 130 is provided with a spring placement hole 711 corresponding to the spring, a buffer spring 710 is arranged between the a plate 130 and the nozzle push plate 120, each buffer spring 710 is sleeved outside each travel screw 700, the buffer spring 710 slides relatively to the travel screw 700, and the elastic force generated by the buffer spring 710 facilitates the separation of the a plate 130 from the nozzle push plate 120 in the first molding process, so that adhesion is not easy to occur between the a plate 130 and the nozzle push plate 120.

Further, as shown in fig. 1, a moving fixing rod 800 is further connected between the upper die assembly 100 and the lower die assembly 200, and when the die needs to be moved integrally, the upper die assembly 100 and the lower die assembly 200 are fixed by the moving fixing rod 800, so that the die is convenient to move, and the moving fixing rod 800 is removed when the die is used.

According to the utility model, the functions and production requirements of the glue injection product A are tightly combined, a three-plate die is adopted, the balance points are dispersed into glue, the die is compact in structure, the space and quality of the die are reduced according to the characteristics of the product A, the productivity requirement is met, the die adopts a one-die two-cavity design scheme, an insert splicing structure and an insert exhaust pinhole are designed in the die cavity, an integral exhaust system is constructed, meanwhile, the insert splicing structure is adopted, the thermal expansion deformation of a large insert is reduced, the galling in the product A caused by the thermal expansion is effectively prevented, the flatness and the smoothness of the product A are better, the die function is smooth, the size of the product A is stable, and the qualification rate of the product A is close to 100%.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Claims (10)

1. An injection sealed cover plate mold with an exhaust system, characterized in that: comprising the following steps:

An upper die assembly (100) comprising an upper inner die (150), the upper inner die (150) being provided with an upper inner die insert;

A lower die assembly (200) comprising a lower inner die (240), the lower inner die (240) being provided with a lower inner die insert;

Wherein, the upper die assembly (100) slides along the guide post (300) to complete the die assembly operation and the die stripping operation with the lower die assembly (200); the upper inner die (150), the upper inner die insert, the lower inner die (240) and the lower inner die insert jointly form a die cavity, and the die cavity is communicated with an exhaust system.

2. An injection sealed cover mold with an exhaust system according to claim 1, wherein: the upper die assembly (100) further comprises a top plate (110), a water gap push plate (120) and an A plate (130) which are sequentially arranged from top to bottom; the top plate (110) is inlaid with a rubber nozzle (140), and the water gap push plate (120) is provided with a hole groove corresponding to the rubber nozzle (140); the A plate (130) is provided with a glue groove (131), and the water gap pushing plate (120) is attached to the A plate (130) to form a glue flowing channel (132) together; the A plate (130) is provided with an upper inner die cavity for accommodating an upper inner die (150); a plate (130) and an upper inner die (150) are jointly provided with a plurality of glue injection channels (133), and a glue nozzle (140) is communicated with a die cavity through a glue flow channel (132) and the plurality of glue injection channels (133).

3. An injection sealed cover mold with an exhaust system according to claim 1, wherein: the lower die assembly (200) further comprises a bottom plate (210), two C side plates (220) and a B plate (230), wherein the two C side plates (220) are positioned between the bottom plate (210) and the B plate (230), and the B plate (230) is provided with a lower inner die cavity for accommodating the lower inner die (240).

4. An injection sealed cover mold with an exhaust system according to claim 2, wherein: the top plate (110) and the water gap pushing plate (120) are jointly embedded with a plurality of crochets (160), and the top of each crochet (160) is aligned to a connecting port of each glue injection channel (133) and each glue flow channel (132).

5. An injection sealed cover mold with an exhaust system according to claim 3, wherein: the ejector comprises a ejector assembly (400), wherein the ejector assembly (400) comprises an ejector pin bottom plate (410) and an ejector pin panel (420);

The upper side of the thimble bottom plate (410) is provided with a thimble panel (420), the thimble bottom plate (410) is connected with the bottom plate (210), and the thimble bottom plate (410) is also connected with a plurality of support columns (430);

The thimble panel (420) is slidably connected with a plurality of support columns (430), the thimble panel (420) is connected with a plurality of flat thimbles (440) and a plurality of inclined plane thimbles (450), and the thimble panel (420) is connected with a plurality of stroke inserts (460);

The stroke insert (460) is embedded into the thimble base plate (410) and the base plate (210), and the stroke end of the stroke insert (460) controls the sliding stroke of the thimble panel (420);

When the thimble panel (420) slides, the thimble panel drives the flat thimbles (440) and the inclined thimbles (450) to push the molded product (A) in the mold cavity.

6. An injection sealed cover mold with an exhaust system according to claim 2, wherein:

The upper inner mold insert is embedded in the upper inner mold (150), and comprises an injection channel insert (151), an upper molding insert (152) and an upper splicing insert (153);

The lower internal mold insert is embedded in the lower internal mold (240), and comprises a lower molding insert (241) and a lower splicing insert (242);

An exhaust gap is formed between the upper inner mold insert and the upper inner mold (150), the lower inner mold insert and the lower inner mold (240) are provided with exhaust gaps, and the lower split insert (242) and the upper split insert (153) are provided with exhaust gaps.

7. An injection sealed cover mold with an exhaust system according to claim 6, wherein: the lower molding insert (241) is internally embedded with a vent insert needle (243), and the vent insert needle (243) is communicated with a die cavity.

8. An injection sealed cover mold with an exhaust system according to claim 2, wherein: a plurality of straight body side locks (500) are arranged between the A plate (130) and the B plate (230), and the straight body side locks (500) are used for locking the die assembly positions of the A plate (130) and the B plate (230).

9. An injection sealed cover mold with an exhaust system according to claim 2, wherein: a plurality of first travel screws (600) are connected between the top plate (110) and the water gap pushing plate (120), and a plurality of second travel screws (700) are connected between the water gap pushing plate (120) and the A plate (130).

10. An injection sealed cover mold with an exhaust system according to claim 9, wherein: a plurality of buffer springs (710) are arranged between the A plate (130) and the water gap pushing plate (120), each buffer spring (710) is sleeved on the outer side of the corresponding travel screw II (700), and the buffer springs (710) and the travel screw II (700) keep sliding relatively.