CN114055721A - Balanced stress system of integral multi-cavity die - Google Patents

Abstract

The invention discloses a balanced stress system of an integral multi-cavity mold, relates to the technical field of multi-cavity molds, and solves the problems that the production quality of injection molding parts of the existing multi-cavity mold is not high, and the injection molding pressure in each cavity is unbalanced. A balanced stress system of an integral multi-cavity mold comprises a mold body; the die body comprises a die top plate and a die bottom plate, and the die top plate is screwed and fixed on the top of the die bottom plate through screws. The device is when moulding plastics production, and when the liquid of moulding plastics injected into the mould body inside, the moulding intracavity gas of mould can be inside through gas-liquid break-make subassembly discharge cavity for the liquid of moulding plastics can the free flow to the inside in each mould moulding chamber, when moulding plastics to the inside pressurization of mould body, the size of the moulding intracavity internal pressure of every mould of shaping subassembly of shaping can be balanced, thereby makes the inside injection pressure of each cavity the same.

Description

Balanced stress system of integral multi-cavity die

Technical Field

The invention belongs to the technical field of multi-cavity molds, and particularly relates to a balanced stress system of an integral multi-cavity mold.

Background

The use of a mould with multiple cavities for injection moulding of plastic products is more and more common, and the multi-cavity mould can be used for manufacturing a plurality of parts by injection moulding at one time, so that the working efficiency of injection moulding production is greatly improved, and the multi-cavity mould is often used for manufacturing parts with the same model in large batch.

When using the multi-cavity mould to mould plastics production, will mould plastics the liquid and pour into the notes liquid pipeline of multi-cavity mould through the notes material pipe of the machine of moulding plastics, thereby mould plastics liquid and can advance along the pipeline in the multi-cavity mould and be full of the inside of each cavity to accomplish the setting of part, the mould sinking can take out the part of production after the cooling.

If the application number is: CN201811160000.2 discloses a die with a die-pressing force balancing structure, which comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with the lower surface of a lower stamping die holder, two sides of the top of the lower stamping die holder are fixedly connected with the bottom of a pressure plate spring, the top of the pressure plate spring is fixedly connected with the bottom of a spring fixing plate, the top of the spring fixing plate is fixedly connected with the lower surface of a pressure plate, and the lower surface of the pressure plate is fixedly connected with the upper surface of the upper stamping die holder. Through the push pedal spring of pressing the inside fixed connection of soft shell, the push rod slides downwards in push rod hole inside, and the location slider bracing piece of clamp plate side fixed connection slides inside fixed riser to slide at the cross recess inner wall with location slider bracing piece surface swing joint's location slider, make the clamp plate keep the vertical level and slide from top to bottom, thereby mould atress is even in the punching press, has reached the processing product wall thickness equilibrium, ensures product production quality's effect.

The multi-cavity mold that only has one exhaust hole now passes through injection molding liquid free flow in the mould when using, can't observe the injection volume of judging every mould intracavity injection molding liquid, thereby when injection molding liquid passes through exhaust hole and discharges, can have a plurality of moulds that do not mould plastics and target in place in the multi-cavity mold, the production quality of the part of moulding plastics is not high, lead to yields greatly reduced, and the multi-cavity mold that is equipped with a plurality of exhaust holes can spill over corresponding mould cavity inside and cause the waste after being full of liquid in the mould cavity, and the inside pressure of moulding plastics of each cavity is uneven, the adaptability is relatively poor, the practicality is not high.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a balanced stress system of an integral multi-cavity mold is provided, so as to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a balanced stress system of an integral multi-cavity mold, which aims to solve the problems that when the existing multi-cavity mold only provided with one vent hole is used, injection molding liquid freely flows in the mold, and the injection amount of the injection molding liquid in each mold cavity cannot be observed and judged, so that when the injection molding liquid is discharged through the vent hole, a plurality of molds which are not injected in place exist in the multi-cavity mold, the production quality of injection molding parts is not high, the yield is greatly reduced, and the multi-cavity mold provided with a plurality of vent holes can overflow out of the corresponding mold cavity after the mold cavity is filled with the injection liquid, so that the waste is caused, the adaptability is poor, and the practicability is not high.

The purpose and the effect of the balanced stress system of the integral multi-cavity die are achieved by the following specific technical means:

a balanced stress system of an integral multi-cavity mold comprises a mold body;

the die body comprises a die top plate and a die bottom plate, and the die top plate is screwed and fixed on the top of the die bottom plate through screws;

the die top plate and the die bottom plate are respectively provided with four die plastic cavities inside, and the die plastic cavities of the die top plate and the die bottom plate are mutually spliced;

a pouring pore channel is arranged inside the die body and is connected with the four die shaping cavities;

the top in four inside mould plastic chambers of mould roof all is equipped with pressure regulating assembly, spacing subassembly of shaping and gas-liquid break-make subassembly, and the equal fixedly connected with installation section of thick bamboo in top in four inside mould plastic chambers of mould roof.

Further, the pressure regulating assembly comprises:

the rod body in the middle of the adjusting rod is rotatably connected inside the mounting cylinder;

and the pressure adjusting plate is inserted in the mounting cylinder.

Further, the spacing subassembly of shaping is including:

the unlocking ring is inserted in the mold top plate, and is sleeved outside the mounting cylinder;

the stopper, the stopper is pegged graft in the inside of mould roof, and the stopper is equipped with four, and four stoppers are the inside that the form distributes in the mould roof in the installation section of thick bamboo outside encircleing.

Further, the gas-liquid on-off component comprises:

the lifting column is inserted into a plate body of a top plate of the mould at the top of the moulding cavity of the mould, and a telescopic groove is formed at the bottom of the lifting column;

the top of the plugging plate is provided with a positioning column, and the top of the plugging plate is inserted into the telescopic groove through the positioning column.

Furthermore, the plate body shape of pressure regulating plate is the hexagon, and the inside of a mounting cylinder is equipped with hexagonal constant head tank, and pressure regulating plate pegs graft in the inside of constant head tank.

Further, the bottom body of rod outside of adjusting the pole is equipped with the screw thread, and the plate body inside of pressure regulating plate is equipped with the screw hole, adjusts the pole and connects through body of rod screw thread in the inside of screw hole, and adjusts the outside that the pole is located the pressure regulating plate bottom body of rod and has cup jointed pressure top spring, and fixed connection is respectively at the bottom of pressure regulating plate and the top of lift post at the both ends of pressure top spring.

Further, the block inboard of stopper is equipped with positioning fixture block, and the cylinder outside of lift post is equipped with four positioning fixture grooves, and four positioning fixture blocks are at the position one-to-one of vertical direction, and the block outside top of stopper is equipped with the pressure indication pole, and the pressure indication pole passes and stretches out inside the plate body of mould roof.

Furthermore, a reversed trapezoidal linkage groove is formed in the block body of the limiting block, a reversed trapezoidal linkage rod is arranged at the bottom of the ring body of the unlocking ring, and the linkage rod is inserted into the linkage groove.

Furthermore, the bottom of the unlocking ring and the outer side of the limiting block are both provided with reset top springs, two ends of the reset top spring at the bottom of the unlocking ring are respectively and fixedly connected with the inside of the unlocking ring and the inside of the mold top plate, and two ends of the reset top spring at the outer side of the limiting block are respectively and fixedly connected with the outer side of the limiting block and the inside of the mold top plate.

Further, the cylinder inside of lift post, the barrel top of an installation section of thick bamboo and the plate body inside of pressure regulating plate all are equipped with the pore of disappointing, and the cylinder outside bottom of lift post is equipped with the track piece, and the top in mould plastic chamber is equipped with the track groove, and the both ends in track groove are the shutoff design, and the track piece is pegged graft in the inside in track groove.

Compared with the prior art, the invention has the following beneficial effects:

the device is when the production of moulding plastics, when the liquid of moulding plastics pours into the mould body inside into, mould moulding intracavity portion gas can pass through inside the gas-liquid break-make subassembly discharge cavity, make the liquid of moulding plastics can flow to the inside in mould moulding chamber, when mould moulding intracavity portion liquid of moulding plastics is full, gas-liquid break-make subassembly self-closing, can continue to mould plastics to the inside pressurization of mould body this moment, and can balance the size of every mould moulding intracavity portion pressure through the spacing subassembly of shaping, thereby make the inside injection pressure of each cavity the same, the standard value accessible pressure regulating assembly of the inside injection pressure of mould moulding chamber adjusts, adapt to the production of different grade type injection moulding parts, and high adaptability, the yields of production is high, the flexibility and the practicality of the device have been improved.

Firstly, when the liquid of moulding plastics gets into inside the mould body through pouring the pore, the shutoff board of gas-liquid break-make subassembly is the natural state of drooping this moment, thereby the inside of the inside gaseous accessible pore of losing heart discharge mould body of mould body, when the moulding cavity of mould is inside to be filled with the liquid of moulding plastics, can raise the disappointing pore of shutoff lift post with the shutoff board, thereby the inside of the moulding cavity of this mould is the encapsulated situation this moment, pressurize with the inside of following mould moulding cavity, the break-make that each mould moulding cavity can the independent control gas-liquid business turn over, high durability and convenient use is nimble, the flexibility and the adaptability of the device have been improved.

Secondly, when the gas-liquid on-off assembly is in a closed state, the gas-liquid on-off assembly can be driven to move upwards by the pressure of the injected liquid, the pressure of the injected liquid can compress the pressure jacking spring, so that the pressure balance inside each mold plastic cavity is equal, when the pressure inside each mold plastic cavity reaches a preset value, the positioning clamping blocks of the limiting blocks are connected inside the lifting columns in a clamping mode under the action of the reset jacking springs, so that the lifting columns cannot move downwards automatically after the injection is completed, whether the injection liquid inside each cavity is full and whether the pressure meets the requirement can be judged through the pressure indicating rods at the moment, the injection liquid can be subjected to demolding after the injection process is completed, the use is convenient, the injection pressure of each cavity is equal, the injection parts are full, the quality is higher, and the flexibility and the production yield of the device are improved.

Furthermore, after the injection molding part is demolded, the device can be reset when the unlocking ring is pressed, the linkage rod of the unlocking ring is pressed to move downwards to drive the limiting block to move outwards through the linkage groove, so that the clamping relation between the positioning clamping block and the positioning clamping groove is lost at the moment, the gas-liquid on-off assembly automatically resets under the action of the pressure jacking spring to be used for next injection molding, the injection molding pressure standard value inside the mold molding cavity can be adjusted through the pressure adjusting assembly, when the adjusting rod is rotated, the adjusting rod can drive the pressure adjusting plate to move upwards and downwards through the threaded hole, the compression length of the pressure jacking spring is changed, the purpose of adjusting the injection molding pressure standard value inside the mold molding cavity is realized, the injection molding device can adapt to different types of parts, the adaptability is high, and the flexibility and the adaptability of the device are improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the die body of the present invention.

Fig. 3 is a schematic structural view of a single mold in a reset state in a molding cavity of the mold according to the present invention.

FIG. 4 is a schematic structural view of the single mold after injection molding in the molding cavity of the present invention.

Fig. 5 is a schematic structural view of the pressure regulating assembly of the present invention after disassembly.

Fig. 6 is a schematic structural view of the forming limit assembly of the present invention after disassembly.

Fig. 7 is a schematic structural view of the gas-liquid switching assembly of the present invention after disassembly.

Fig. 8 is an enlarged schematic view of the portion a of fig. 3 according to the present invention.

Fig. 9 is an enlarged structural view of a portion B in fig. 4 according to the present invention.

Fig. 10 is an enlarged schematic structural view of the C-site in fig. 2 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a mold body; 101. a mold top plate; 1011. a mold plastic cavity; 10111. a track groove; 1012. mounting the cylinder; 10121. positioning a groove; 102. a mold base plate; 103. pouring a pore channel; 2. a pressure regulating assembly; 201. adjusting a rod; 2011. a pressure top spring; 202. a pressure adjusting plate; 2021. a threaded hole; 3. forming a limiting component; 301. unlocking the ring; 3011. a linkage rod; 3012. resetting the top spring; 302. a limiting block; 3021. positioning a fixture block; 3022. a pressure indicating rod; 3023. a linkage groove; 4. a gas-liquid on-off component; 401. a lifting column; 4011. positioning the clamping groove; 4012. a gas leakage pore path; 4013. a track block; 4014. a telescopic groove; 402. a plugging plate; 4021. and a positioning column.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 10:

the invention provides a balanced stress system of an integral multi-cavity die, which comprises a die body 1;

the die body 1 comprises a die top plate 101 and a die bottom plate 102, and the die top plate 101 is screwed and fixed on the top of the die bottom plate 102 through screws;

four mould plastic cavities 1011 are arranged inside the mould top plate 101 and the mould bottom plate 102, and the mould plastic cavities 1011 of the mould top plate 101 and the mould bottom plate 102 are spliced with each other;

a pouring pore channel 103 is arranged inside the die body 1, and the pouring pore channel 103 is connected with the four die shaping cavities 1011;

the top parts of the four mould plastic cavities 1011 in the mould top plate 101 are all provided with a pressure regulating assembly 2, a forming limiting assembly 3 and a gas-liquid on-off assembly 4, and the top parts of the four mould plastic cavities 1011 in the mould top plate 101 are all fixedly connected with mounting cylinders 1012;

the pressure regulating assembly 2 comprises:

the rod body in the middle of the adjusting rod 201 is rotatably connected inside the mounting cylinder 1012;

the pressure adjusting plate 202, the pressure adjusting plate 202 is inserted in the mounting cylinder 1012.

Spacing subassembly 3 of shaping is including:

the unlocking ring 301 is inserted into the die top plate 101, and the unlocking ring 301 is sleeved outside the mounting cylinder 1012;

the four limiting blocks 302 are arranged, and the four limiting blocks 302 are distributed in the die top plate 101 at the outer side of the mounting cylinder 1012 in a surrounding manner;

the gas-liquid on-off component 4 comprises:

the lifting column 401 is inserted into the plate body of the top plate 101 of the mold on the top of the mold plastic cavity 1011, and the bottom of the lifting column 401 is provided with a telescopic groove 4014;

the top of the plugging plate 402 is provided with a positioning column 4021, and the top of the plugging plate 402 is inserted into the telescopic groove 4014 through the positioning column 4021;

in use, the device is when moulding plastics production, when injection liquid pours into mould body 1 inside into, the inside gas of mould plastic chamber 1011 can be inside through the cavity of 4 discharge of gas-liquid break-make components, make injection liquid can flow to the inside of mould plastic chamber 1011, when the inside liquid of moulding plastics of mould plastic chamber 1011 is full, gas-liquid break-make components 4 self-closing, can continue to mould plastics to the inside pressurization of mould body 1 this moment, and can balance the size of every mould plastic chamber 1011 internal pressure through spacing subassembly 3 of shaping, thereby make the inside injection pressure of each cavity the same, the standard value accessible pressure regulating assembly 2 of the inside injection pressure of mould plastic chamber 1011 adjusts, adapt to the production of the part of moulding plastics of different grade type, therefore, the high adaptability, the yields of production are high, the flexibility and the practicality of the device are improved, the device

Wherein, pressure regulating plate 202's plate body shape is the hexagon, and the inside of installation section of thick bamboo 1012 is equipped with hexagonal constant head tank 10121, and pressure regulating plate 202 pegs graft in constant head tank 10121's inside, and in use, regulation pole 201 can not drive pressure regulating plate 202 when rotating and rotate, and is stable in use.

Wherein, the outside of the bottom rod body of the adjusting rod 201 is provided with screw threads, the inside of the plate body of the pressure adjusting plate 202 is provided with a screw hole 2021, the adjusting rod 201 is screwed in the screw hole 2021 through the screw threads of the rod body, and the adjusting rod 201 is sleeved with a pressure top spring 2011 outside the rod body at the bottom of the pressure adjusting plate 202, two ends of the pressure top spring 2011 are respectively and fixedly connected with the bottom of the pressure adjusting plate 202 and the top of the lifting column 401, in use, the standard injection pressure value inside the molding cavity 1011 of the mold can be adjusted by the pressure adjusting component 2, when the adjusting rod 201 is rotated, the adjusting rod 201 can drive the pressure adjusting plate 202 to move up and down through the threaded hole 2021, the compression length of the pressure top spring 2011 is changed, thereby realize adjusting the moulding pressure standard value purpose of the inside moulding plastics of moulding chamber 1011 of mould, can adapt to the injection moulding processing of different grade type parts, strong adaptability has improved the device's flexibility and adaptability.

Wherein, the inner side of the block body of the limiting block 302 is provided with a positioning fixture block 3021, the outer side of the cylinder of the lifting column 401 is provided with four positioning fixture slots 4011, the four positioning fixture slots 4011 and the four positioning fixture blocks 3021 are in one-to-one correspondence in the vertical direction, the top of the outer side of the block body of the limiting block 302 is provided with a pressure indication rod 3022, and the pressure indication rod 3022 penetrates through and extends out of the plate body of the mold top plate 101, when the gas-liquid on-off assembly 4 is in a closed state during use, the liquid pressure is continuously injected at this time to drive the gas-liquid on-off assembly 4 to move upwards integrally, the pressure of the injected liquid can compress a pressure top spring 2011, so that the pressure balance inside each mold molding cavity 1011 is equal, when the pressure inside each mold molding cavity reaches a preset value, the positioning fixture block 3021 of the limiting block 302 is clamped inside the lifting column 401 under the action of the reset top spring 3012, so that the lifting column 401 cannot move downwards automatically after the liquid injection is completed, at this moment, the pressure indicating rod 3022 can be used for judging whether the injection molding liquid in each cavity is full and whether the pressure meets the requirement, the injection molding process can be completed and then the injection molding liquid is cooled for demolding, the use is convenient, the injection molding pressure of each cavity is equal, the injection molding parts are full, the quality is higher, and the flexibility of the device and the yield of production are improved.

Wherein, the block body of the limiting block 302 is internally provided with an inverted trapezoidal linkage groove 3023, the bottom of the ring body of the unlocking ring 301 is provided with an inverted trapezoidal linkage rod 3011, the linkage rod 3011 is inserted into the linkage groove 3023, the bottom of the unlocking ring 301 and the outer side of the limiting block 302 are both provided with reset top springs 3012, two ends of the reset top spring 3012 at the bottom of the unlocking ring 301 are respectively and fixedly connected with the inside of the unlocking ring 301 and the inside of the mold top plate 101, and two ends of the reset top spring 3012 at the outer side of the limiting block 302 and the inside of the mold top plate 101, in use, after an injection molding part is demolded, the device can be reset when the unlocking ring 301 is pressed, the linkage rod 3011 for pressing the unlocking ring 301 is moved downwards to drive the limiting block 302 to move outwards through the linkage groove 3023, so that the positioning clamping relation between the positioning clamping block 3021 and the positioning clamping groove 4011 is lost at this time, the gas-liquid on-off component 4 automatically resets under the action of the pressure top spring 2011 for next injection molding processing use, .

Wherein, the inside of the column body of the lifting column 401, the top of the cylinder body of the mounting cylinder 1012 and the inside of the plate body of the pressure adjusting plate 202 are provided with air leakage channels 4012, the bottom of the outside of the column body of the lifting column 401 is provided with a track block 4013, the top of the moulding cavity 1011 of the mould is provided with a track groove 10111, two ends of the track groove 10111 are designed to be blocked, and the track block 4013 is inserted in the track groove 10111, in use, when injection molding liquid enters the mould body 1 through the pouring channel 103, the blocking plate 402 of the gas-liquid on-off component 4 is in a natural drooping state, so that the gas in the mould body 1 can be discharged out of the inside of the mould body 1 through the air leakage channels 4012, when the moulding cavity 1011 of the mould is filled with injection molding liquid, the blocking plate 402 can be lifted to block the air leakage channels 4012 of the lifting column 401, so that the inside of the moulding cavity of the mould is in a closed state at this time, so as to be used for pressurizing the inside of the moulding cavity 1011 of the mould subsequently, each mould plastic-shaped cavity 1011 can independently control the on-off of gas-liquid inlet and outlet, the use is convenient and flexible, and the flexibility and the adaptability of the device are improved.

The specific use mode and function of the embodiment are as follows:

in the invention, after the top plate 101 and the bottom plate 102 of the mold are spliced and fixed, injection molding and pressurization are carried out on the inside of each molding cavity 1011 of the mold body 1 through the pouring pore canal 103 by an injection molding machine to manufacture parts, when injection molding liquid enters the inside of the mold body 1 through the pouring pore canal 103, the plugging plate 402 of the gas-liquid on-off component 4 is in a natural drooping state, so that the gas inside the mold body 1 can be discharged out of the inside of the mold body 1 through the gas leakage pore canal 4012, when the inside of the molding cavity 1011 of the mold is filled with the injection molding liquid, the plugging plate 402 can be lifted to plug the gas leakage pore canal 4012 of the lifting column 401, at the moment, the inside of the molding cavity of the mold is in a closed state, when the on-off component 4 is in a closed state, the liquid pressure of the continuous injection can drive the gas-liquid on-off component 4 to move upwards integrally, the pressure of the injection liquid can compress the pressure top spring 1011, so that the pressure inside each molding cavity 2011 is equal, when the pressure in the plastic cavity 1011 of the mold reaches a preset value, the positioning block 3021 of the limiting block 302 is clamped and connected inside the lifting column 401 under the action of the reset top spring 3012, so that the lifting column 401 cannot move downwards automatically after liquid injection is completed, at the moment, whether the injection liquid in each cavity is full and the pressure meets the requirement can be judged through the pressure indicating rod 3022, demolding can be carried out after the injection process is completed and the injection liquid is cooled, the use is convenient, the injection pressures of the cavities are equal, the injection part is full, after the injection part is demolded, the device can be reset when the unlocking ring 301 is pressed, the linkage rod 3011 of the unlocking ring 301 is pressed to move downwards to drive the limiting block 302 to move outwards through the linkage groove 3023, so that the positioning block 3021 loses the clamping relation with the positioning clamping groove 4011 at the moment, the gas-liquid on-off component 4 automatically resets under the action of the pressure top spring 2011 for next injection processing use, and the standard injection pressure value inside the molding cavity 1011 of the mold can be adjusted by the pressure adjusting assembly 2, when the adjusting rod 201 is rotated, the adjusting rod 201 can drive the pressure adjusting plate 202 to move up and down through the threaded hole 2021, and the compression length of the pressure top spring 2011 is changed, so that the purpose of adjusting the standard injection pressure value inside the molding cavity 1011 of the mold is achieved, when the device is used for injection molding production, when injection molding liquid is injected into the interior of the mold body 1, gas inside the molding cavity 1011 of the mold can be discharged out of the interior of the cavity through the gas-liquid on-off assembly 4, so that the injection molding liquid can flow into the interior of the molding cavity 1011 of the mold, when the injection molding liquid inside the molding cavity 1011 of the mold is full, the gas-liquid on-off assembly 4 is automatically closed, at the moment, the interior of the mold body 1 can be continuously pressurized and injection molding can be balanced in the pressure of the interior of each molding cavity 1011 through the molding limiting assembly 3, so that the injection molding pressure inside each cavity is the same, the standard value of the injection pressure in the mold plastic cavity 1011 can be adjusted through the pressure adjusting component 2, so that the mold plastic cavity adapts to the production of injection molding parts of different types, the adaptability is strong, and the yield of production is high.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. The utility model provides a balanced atress system of integral multicavity mould which characterized in that: comprises a die body (1);

the die body (1) comprises a die top plate (101) and a die bottom plate (102), and the die top plate (101) is screwed and fixed on the top of the die bottom plate (102) through screws;

four mould plastic cavities (1011) are arranged inside the mould top plate (101) and the mould bottom plate (102), and the mould plastic cavities (1011) of the mould top plate (101) and the mould bottom plate (102) are mutually spliced;

a pouring pore channel (103) is arranged inside the die body (1), and the pouring pore channel (103) is connected with the four die plastic cavities (1011);

the top of four mould plastic-shaped cavities (1011) inside the mould top plate (101) is provided with a pressure adjusting component (2), a forming limiting component (3) and a gas-liquid on-off component (4), and the top of the four mould plastic-shaped cavities (1011) inside the mould top plate (101) is fixedly connected with an installation cylinder (1012).

2. A balanced force system for an integral multi-cavity mold as recited in claim 1, wherein: the pressure regulating assembly (2) comprises:

the middle rod body of the adjusting rod (201) is rotatably connected inside the mounting cylinder (1012);

the pressure adjusting plate (202), the pressure adjusting plate (202) is inserted in the installation cylinder (1012).

3. A balanced force system for an integral multi-cavity mold as recited in claim 1, wherein: the forming limiting component (3) comprises:

the unlocking ring (301) is inserted into the die top plate (101), and the unlocking ring (301) is sleeved outside the mounting cylinder (1012);

the limiting blocks (302), the limiting blocks (302) are inserted into the die top plate (101), the number of the limiting blocks (302) is four, and the four limiting blocks (302) are distributed in the die top plate (101) outside the installation cylinder (1012) in a surrounding mode.

4. A balanced force system for an integral multi-cavity mold as recited in claim 1, wherein: the gas-liquid on-off component (4) comprises:

the lifting column (401) is inserted into the plate body of the top die top plate (101) at the top of the die plastic cavity (1011), and the bottom of the lifting column (401) is provided with a telescopic groove (4014);

the top of the plugging plate (402) is provided with a positioning column (4021), and the top of the plugging plate (402) is inserted into the telescopic groove (4014) through the positioning column (4021).

5. A balanced force system for an integral multi-cavity mold as claimed in claim 2, wherein: the plate body shape of pressure regulating plate (202) is the hexagon, and the inside of installation section of thick bamboo (1012) is equipped with hexagonal constant head tank (10121), and pressure regulating plate (202) pegs graft in the inside of constant head tank (10121).

6. A balanced force system for an integral multi-cavity mold as claimed in claim 2, wherein: the bottom body of rod outside of adjusting pole (201) is equipped with the screw thread, and the plate body inside of pressure regulating plate (202) is equipped with screw hole (2021), adjusts pole (201) and connects the inside in screw hole (2021) through body of rod screw thread, and adjusts the outside that pole (201) are located the pressure regulating plate (202) bottom body of rod and has cup jointed pressure top spring (2011), the both ends difference fixed connection of pressure top spring (2011) is at the bottom of pressure regulating plate (202) and the top of lift post (401).

7. A balanced force system for an integral multi-cavity mold as claimed in claim 3, wherein: the utility model discloses a pressure indication device, including stopper (302), the block inboard of stopper (302) is equipped with positioning fixture block (3021), and the cylinder outside of lift post (401) is equipped with four positioning fixture block (4011), and four positioning fixture block (4011) and four positioning fixture block (3021) are at the position one-to-one of vertical direction, and the block outside top of stopper (302) is equipped with pressure indication pole (3022), and inside pressure indication pole (3022) passed and stretched out the plate body of mould roof (101).

8. The balanced force system of an integral multi-cavity mold as recited in claim 7, wherein: an inverted trapezoidal linkage groove (3023) is formed in the block body of the limiting block (302), an inverted trapezoidal linkage rod (3011) is arranged at the bottom of the ring body of the unlocking ring (301), and the linkage rod (3011) is inserted into the linkage groove (3023).

9. A balanced force system for an integral multi-cavity mold as recited in claim 8, wherein: the bottom of the unlocking ring (301) and the outer side of the limiting block (302) are both provided with reset top springs (3012), two ends of the reset top springs (3012) at the bottom of the unlocking ring (301) are respectively and fixedly connected to the inside of the unlocking ring (301) and the inside of the die top plate (101), and two ends of the reset top springs (3012) at the outer side of the limiting block (302) are respectively and fixedly connected to the outer side of the limiting block (302) and the inside of the die top plate (101).

10. The balanced force system of an integral multi-cavity mold as recited in claim 4, wherein: the cylinder inside of lift post (401), the barrel top of installation section of thick bamboo (1012) and the plate body inside of pressure regulating board (202) all are equipped with disappointing pore (4012), and the cylinder outside bottom of lift post (401) is equipped with track piece (4013), and the top in mould plastic chamber (1011) is equipped with track groove (10111), and the both ends of track groove (10111) are the shutoff design, and track piece (4013) are pegged graft in the inside of track groove (10111).

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