CN214239344U - Ball valve automatic molding mould - Google Patents

Abstract

The utility model discloses an automatic ball valve forming die, which comprises a fixed die, a movable die and a base, wherein the fixed die is arranged on the movable die, the movable die is arranged at the top of the base, and one side of the base is provided with a driving mechanism; be equipped with the cover half core in the shaping intracavity on the cover half, the top of movable mould is the push pedal, be equipped with movable mould core and movable mould slider on the movable mould, the movable mould core has cup jointed threaded core, threaded core's bottom and actuating mechanism transmission are connected, it has the interior core of taking out of movable mould to inlay in the movable mould core, it has movable mould slider core to peg graft to take out the one end that the core was equipped with the boss in the movable mould, the inside at the movable mould slider core is fixed to the other end of movable mould slider core, movable mould slider sliding connection is in the push pedal, the top of movable mould core is inserted to the inserted block to one side of cover half core, and pass the inclined hole that the core was seted up in the movable mould, make the movable mould core arrange the shaping intracavity in, the oblique guide pillar is pegged graft in the chute of movable mould slider simultaneously, with this realization compound die. The mould enables the inner round corner of the ball valve to be directly formed, and the chamfering processing at the later stage of the product is omitted.

Description

Ball valve automatic molding mould

Technical Field

The utility model relates to an injection mold especially relates to a ball valve automatic molding mould.

Background

At present, ball valve mould products on the market do not have automatic molding assembly fillets, and because the product space is smaller, the design requirements can not be met by adopting a conventional sliding block or an inclined top, for example, Chinese patents with publication numbers of CN201432389Y and publication number of 2010.3.31: the utility model provides a mould of plastics ball valve, this mould is direct to the ball valve shaping, does not have automatic molding assembly fillet, and the fillet adopts artifical post processing assembly, and not only intensity of labour is big, and the extravagant manpower and materials of secondary treatment fillet moreover all have the problem that manual processing assembly effect is poor, assembly process is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ball valve automatic molding mould utilizes this mould can make the interior round angle department direct forming of ball valve to ball valve automatic molding assembly fillet, saves product later stage chamfer processing, makes the product more perfect, and assembly process is simpler.

The technical scheme of the utility model is that:

an automatic ball valve forming die comprises a fixed die, a movable die and a base, wherein the fixed die covers the movable die to be matched, the movable die is arranged at the top of the base, and a driving mechanism is arranged on one side of the base;

the die core comprises a fixed die and a movable die, wherein the fixed die is provided with a molding cavity and a runner for injection molding of the molding cavity, the molding cavity is internally provided with a fixed die core, the tail end of the fixed die core is provided with an oblique insert block, the fixed die is also provided with an oblique guide pillar, the top of the movable die is provided with a push plate, the movable die is provided with a movable die core and a movable die slider, the lower part of the movable die core is sleeved with a threaded core, the bottom of the threaded core penetrates out of the push plate and is arranged in the movable die to be in transmission connection with a driving mechanism, the movable die core is embedded in the movable die core, one end of the movable die core is provided with a boss for chamfering, one end of the movable die core provided with the boss is inserted with the movable die slider core, the other end of the movable die slider core is fixed in the movable die slider, the movable die slider is in sliding connection with the push plate, and the top of the movable die slider is provided with an oblique groove, the inclined insert block of the fixed die core is inserted into the top of the movable die core and penetrates through an inclined hole formed in the movable die internal drawing core, so that the movable die core is arranged in the forming cavity, and meanwhile, the inclined guide post is inserted into an inclined groove of the movable die slide block, so that the die assembly of the fixed die and the movable die is realized.

After the injection molding of the molding cavity is finished, mold opening and core pulling are needed, a fixed mold core and an inclined guide post are simultaneously pulled outwards, the fixed mold core pulls a movable mold internal core-pulling core through an inclined insertion block at the tail end, the movable mold internal core-pulling core is retracted into the movable mold core, the boss of the movable mold internal core-pulling core enables the fillet assembly of a product to be automatically molded at the moment, then the inclined guide post is continuously pulled outwards to enable a movable mold slider to slide outwards, the movable mold slider makes the movable mold slider core synchronously move backwards, the movable mold slider core is separated from the boss of the movable mold internal core-pulling core to perform lateral core pulling, the fixed mold core is gradually separated from the movable mold core, the inclined insertion block at the tail end of the fixed mold core is separated from the movable mold internal core-pulling core to perform vertical core pulling, after the inclined guide post is completely pulled away from the movable mold slider, the core-pulling action of the whole mold is completed, mold splitting is completed, at the moment, the driving mechanism starts to work, the driving mechanism enables the thread core to retreat through a transmission structure, and then ejecting the product out of the push plate, taking out the product, closing the mold, completing the action of the whole mold, and separating the mold after the next injection molding.

Further, be equipped with a plurality of on the cover half the molding cavity, every the molding cavity all is equipped with the cover half core, the correspondence is equipped with a plurality of on the movable mould core. Set up a plurality of shaping chambeies, can once carry out integrated into one piece to a plurality of ball valve products, improve work efficiency.

Furthermore, be equipped with four evenly distributed become the die cavity, every it all is equipped with the cover half core in the die cavity, correspondingly be equipped with four on the movable mould core.

Furthermore, two movable mould cores correspond to one movable mould sliding block, two fixing holes are formed in the movable mould sliding block, one end of each movable mould sliding block core is connected with a boss of the movable mould internal pumping core inside the movable mould core in an inserting mode, and the other end of each movable mould sliding block core is connected and fixed in the movable mould sliding block through the corresponding fixing hole in an inserting mode.

The movable mould slide block core pulling device has the advantages that the movable mould slide block core can be synchronously pushed by one movable mould slide block to pull the core pulling boss of the core pulling core in the movable mould inside the movable mould core for core pulling, convenience and rapidness are realized, and the design space is saved.

Further, fixed plates are arranged on two sides of the movable mold sliding block, the fixed plates are fixed on the push plate, sliding grooves are formed in the two fixed plates, and two sides of the movable mold sliding block are connected with the sliding grooves of the two fixed plates in a sliding mode respectively.

Furthermore, the push plate is provided with a threaded hole, and the threaded top of the threaded core penetrates out of the push plate through the threaded hole and is sleeved on the movable mold core and is arranged in the molding cavity together.

Furthermore, a return spring is connected between the push plate and the bottom of the base.

After the mould is divided, actuating mechanism begins to work this moment, and actuating mechanism makes the screw core move back the tooth through transmission structure, and the relative push pedal of screw core is the spiral downwards and is withdrawed from, and reset spring is no longer compressed this moment, promotes the ejecting product of push pedal, takes out the product after, need compound die once more, and actuating mechanism makes the screw core advance the tooth through transmission structure, and the push pedal is worn out in the screw core screw in once more, and reset spring is compressed once more.

Furthermore, the inner wall of the movable mould core is provided with a positioning wave bead, the outer wall of the movable mould internal pumping core is provided with a positioning round hole, and the movable mould internal pumping core is positioned by utilizing the embedding of the positioning wave bead and the positioning round hole.

When the movable mould internal core-pulling core is retracted into the movable mould core, the movable mould internal core-pulling core is positioned by utilizing the positioning wave beads, and the movable mould internal core-pulling core is prevented from falling so as to carry out subsequent core-pulling action.

Further, actuating mechanism includes hydraulic motor, first gear, second gear, axis of rotation, third gear, fourth gear and fifth gear, hydraulic motor's pivot is passed through first gear with the second gear meshing, install through the bearing respectively at the both ends of axis of rotation the base with in the movable mould, the bottom of axis of rotation is cup jointed the third gear is located in the base, the second gear with the third gear meshing, the top of axis of rotation is cup jointed the fourth gear is located in the movable mould, the fifth gear cup joints on the screw core, the bottom of screw core is passed through the bearing and is installed on the movable mould, the fourth gear with the fifth gear meshing.

After the die is separated, the hydraulic motor of the driving mechanism starts to work at the moment, the hydraulic motor drives the second gear to rotate through the first gear, the second gear drives the third gear to rotate, the third gear enables the rotating shaft to synchronously rotate, the fourth gear at the top of the rotating shaft also synchronously rotates, the fourth gear drives the fifth gear to rotate, the fifth gear drives the threaded core to rotate, and the threaded core realizes the spiral tooth withdrawing or tooth entering.

Further, be equipped with the passageway of moulding plastics on the runner, the passageway of moulding plastics runs through the cover half, its sprue is arranged in the surface of cover half moulds plastics through the passageway of moulding plastics to the shaping chamber.

This real neotype beneficial effect does:

the utility model discloses make movable mould internal core of taking out with fillet department, the boss automatic molding assembly fillet of taking out the core in the favourable movable mould, the cover half core is taken out the core in the movable mould core and is taken out the core, and when the die sinking, the cover half core stirs the core of taking out in the movable mould, and owing to take out the internal shrinkage of core in the movable mould at this moment, product automatic molding assembly fillet continues to be loosed core later until accomplishing the branch mould, and last mould hank tooth, the product is ejecting, realizes the production of ball valve main part product promptly. The utility model discloses ingenious take out core embedding movable mould in-core with the movable mould and make an organic whole, save space, can satisfy the core shaping requirement and can make the movable mould in take out the core internal contraction again to realize interior fillet direct forming, this structure can be suitable for various specification ball valve main part products, saves product later stage chamfer processing, makes the product more perfect, and assembly process is simpler.

Drawings

Fig. 1 is a schematic structural view of an automatic ball valve forming mold of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;

FIG. 4 is an enlarged view of portion C of FIG. 3;

FIG. 5 is a schematic cross-sectional view of B-B of FIG. 2;

FIG. 6 is a schematic structural diagram of a fixed mold;

FIG. 7 is a schematic structural diagram of a movable mold;

FIG. 8 is a schematic view of the connection of the stationary mold core to the movable mold core;

FIG. 9 is a schematic cross-sectional view of FIG. 8;

FIG. 10 is a schematic top view of the drive mechanism in driving engagement with the threaded core;

FIG. 11 is a schematic illustration of a ball valve product;

FIG. 12 is an enlarged view of portion D of FIG. 11;

in the figure: the injection molding device comprises a fixed die 1, a molding cavity 101, a runner 102, an injection molding channel 103, a movable die 2, a base 3, a push plate 4, a fixed die core 5, an inclined insert block 501, an inclined guide post 6, a movable die core 7, a movable die slide block 8, an inclined groove 801, a threaded core 9, a movable die inner core 10, a boss 11, a movable die slide block core 12, an inclined hole 13, a fixing plate 14, a return spring 15, a positioning round hole 16, a hydraulic motor 17, a first gear 18, a second gear 19, a rotating shaft 20, a third gear 21, a fourth gear 22, a fifth gear 23 and a product 24.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1-9, an automatic ball valve molding die comprises a fixed die 1, a movable die 2 and a base 3, wherein the fixed die 1 covers the movable die 2 to mold, the movable die 2 is arranged at the top of the base 3, and a driving mechanism is arranged on one side of the base 3;

the injection molding device is characterized in that a molding cavity 101 and a runner 102 for injection molding of the molding cavity 101 are arranged on a fixed mold 1, an injection molding channel 103 is arranged on the runner 102, the injection molding channel 103 penetrates through the fixed mold 1, a sprue of the injection molding channel is arranged on the surface of the fixed mold 1, the molding cavity 101 is subjected to injection molding through the injection molding channel 103, a fixed mold core 5 is arranged in the molding cavity 101, the tail end of the fixed mold core 5 is an inclined insert block 501, an inclined guide pillar 6 is further arranged on the fixed mold 1, the top of a movable mold 2 is provided with a push plate 4, the movable mold 2 is provided with a movable mold core 7 and a movable mold slider 8, a threaded mold core 9 is sleeved below the movable mold core 7, the bottom of the threaded mold core 9 penetrates out of the push plate 4 and is arranged in the movable mold 2 to be in transmission connection with a driving mechanism, the movable mold core 10 is embedded in the movable mold core 7, one end of the movable mold core, the movable mold sliding block 8 is connected to the push plate 4 in a sliding mode, the inclined groove 801 is formed in the top of the movable mold sliding block 8, the inclined insertion block 501 of the fixed mold core 5 is inserted into the top of the movable mold core 7 and penetrates through the inclined hole 13 formed in the movable mold internal drawing core 10, the movable mold core 7 is arranged in the molding cavity 101, and meanwhile the inclined guide pillar 6 is inserted into the inclined groove 801 of the movable mold sliding block 8, so that the fixed mold 1 and the movable mold 2 are assembled.

After the injection molding of the molding cavity 101 is finished, mold opening and core pulling are required to be carried out, the fixed mold core 5 and the inclined guide post 6 are simultaneously pulled outwards, the fixed mold core 5 pulls the movable mold internal core-pulling 10 through the inclined insertion block 501 at the tail end, the movable mold internal core-pulling 10 is retracted into the movable mold core 7, at the moment, the boss 11 of the movable mold internal core-pulling 10 enables the fillet assembly of the product to be automatically molded, then the inclined guide post 6 is continuously pulled outwards to enable the movable mold slider 8 to slide outwards, the movable mold slider 8 enables the movable mold slider core 12 to synchronously move backwards, the movable mold slider core 12 is separated from the boss 11 of the movable mold internal core-pulling 10 to carry out lateral core pulling, the fixed mold core 5 is gradually separated from the movable mold core 7, the inclined insertion block 501 at the tail end of the fixed mold core 5 is separated from the movable mold internal core-pulling 10 to carry out vertical core pulling, after the inclined guide post 6 is completely pulled out of the movable mold slider 8, the core-pulling action of the whole mold is completed, and mold parting is completed, at the moment, the driving mechanism starts to work, the driving mechanism enables the threaded mold core 9 to be back-toothed through the transmission structure, then the push plate 4 is enabled to eject out a product, the product is taken out and then the mold is closed, the whole mold is finished, and mold separation is carried out after next injection molding.

Referring to fig. 4, 6 and 7, in the present embodiment, the fixed mold 1 is provided with four molding cavities 101 uniformly distributed, each molding cavity 101 is provided with the fixed mold core 5, the movable mold 2 is correspondingly provided with four movable mold cores 7, and a plurality of molding cavities 101 are provided, so that a plurality of ball valve products can be integrally molded at one time, and the working efficiency is improved; meanwhile, the two movable mold cores 7 correspond to one movable mold sliding block 8, the movable mold sliding block 8 is provided with two fixing holes, one end of the movable mold sliding block core 12 is movably inserted into a boss 11 of the core 10 in the movable mold inside the movable mold core 7, the other end of the movable mold sliding block core is inserted into the movable mold sliding block 8 through the fixing holes and locked by screws, and the movable mold sliding block 8 can be used for synchronously pushing the two movable mold sliding block cores 12 to perform core pulling on the boss 11 of the core 10 in the movable mold inside the movable mold core 7, so that the core pulling device is convenient and fast and saves design space.

Referring to fig. 6, in this embodiment, the fixed plates 14 are disposed on two sides of the movable mold slider 8, the fixed plates 14 are fixed on the push plate 4 by screws, the inner side walls of the two fixed plates 14 are both provided with sliding grooves, and two sides of the movable mold slider 8 are slidably connected with the sliding grooves of the two fixed plates 14, so that the movable mold slider 8 can slide to loose the core.

Referring to fig. 3-5, in the present embodiment, the push plate 4 is provided with a threaded hole, the threaded top of the threaded core 9 penetrates through the push plate 4 through the threaded hole and is sleeved on the movable mold core 7, and is disposed in the molding cavity 101 together, and a return spring 15 is connected between the push plate 4 and the bottom of the base 3 (in the figure, the spring is partially hidden and not shown, and one end of the spring penetrates through a through hole formed in the movable mold 2 and is connected with the bottom of the push plate 4). After the mold is separated, the driving mechanism starts to work, the driving mechanism enables the threaded mold core 9 to retreat from the teeth through gear transmission, the threaded mold core 9 is spirally retreated downwards relative to the push plate 4, the reset spring 15 is not compressed at the moment, the push plate 4 is pushed to eject a product, after the product is taken out, the mold needs to be closed again, the driving mechanism is used for connecting the threaded mold core 9 through the gear transmission to advance the teeth, the threaded mold core 9 is screwed in again and penetrates out of the push plate 4, and the reset spring 15 is compressed again.

Referring to fig. 9, in the present embodiment, the inner wall of the movable mold core 7 is provided with a positioning bead (not shown), the outer wall of the movable mold core 10 is provided with a positioning round hole 16, and the movable mold core 10 is positioned by fitting the positioning bead into the positioning round hole 16. Before the core is pulled, the positioning beads are staggered with the positioning round holes 16, when the core-pulling core 10 in the movable mold retracts into the movable mold core 7 during core pulling, the positioning beads are embedded with the positioning round holes 16 of the core-pulling core 10 in the movable mold, the core-pulling core 10 in the movable mold is positioned, and the core-pulling core 10 in the movable mold is prevented from falling so as to perform subsequent core pulling action.

Referring to fig. 3, 5 and 10, in the present embodiment, the driving mechanism includes a hydraulic motor 17 and a first gear 18, the hydraulic die comprises a second gear 19, a rotating shaft 20, a third gear 21, a fourth gear 22 and a fifth gear 23, wherein a rotating shaft of a hydraulic motor 17 is meshed with the second gear 19 through a first gear 18, two ends of the rotating shaft 20 are respectively installed inside the centers of a base 3 and a movable die 2 through bearings, the bottom of the rotating shaft 20 is sleeved with the third gear 21 and arranged in the base 3 (in fig. 10, the third gear 21 is arranged at the bottom and partially shielded), the second gear 19 is meshed with the third gear 21, the top of the rotating shaft 20 is sleeved with the fourth gear 22 and arranged in the movable die 2, the four fifth gears 23 are respectively sleeved on four threaded cores 9, the bottoms of the threaded cores 9 are installed on the movable die 2 through bearings, and the fourth gear 22 is arranged at the centers of the four fifth gears 23 and meshed with the fifth gears 23. After the die is separated, at the moment, the hydraulic motor 17 of the driving mechanism starts to work, the hydraulic motor 17 drives the second gear 19 to rotate through the first gear 18, the second gear 19 drives the third gear 21 to rotate, the third gear 21 enables the rotating shaft 20 to synchronously rotate, the fourth gear 22 at the top of the rotating shaft 20 also synchronously rotates, the fourth gear 22 drives the fifth gear 23 to rotate, the fifth gear 23 drives the threaded core 9 to rotate, and the threaded core 9 realizes the spiral tooth withdrawing or tooth feeding.

The utility model discloses a theory of use as follows:

the injection molding method comprises the steps that injection molding is carried out on a molding cavity 101 through an injection molding channel 103, a product 24 is molded in the molding cavity 101, after molding, mold opening and core pulling are carried out, during core pulling, a fixed mold core 5 and an inclined guide post 6 are simultaneously pulled outwards, the fixed mold core 5 stirs a movable mold internal core-pulling 10 through an inclined insert block 501 at the tail end, the movable mold internal core-pulling 10 is retracted into a movable mold core 7, and is embedded with a positioning round hole 16 of the movable mold internal core-pulling 10 through a positioning wave bead, so that the movable mold internal core-pulling 10 is positioned, and at the moment, a boss 11 of the movable mold internal core-pulling 10 enables fillet assembly of the product; then the inclined guide post 6 is continuously pulled outwards to enable the movable mould slide block 8 to slide outwards, the movable mould slide block 8 enables the movable mould slide block core 12 to synchronously move backwards, the movable mould slide block core 12 is separated from a boss 11 of the movable mould internal core-pulling core 10 to carry out side core pulling, meanwhile, the fixed mould core 5 is gradually separated from the movable mould core 7, the inclined insert block 501 at the tail end of the fixed mould core 5 is separated from the movable mould internal core-pulling core 10 to carry out vertical core pulling, after the inclined guide post 6 is completely pulled out of the movable mould slide block 8, the core pulling action of the whole mould is completed, the mould splitting is completed, at the moment, the driving mechanism starts to work, the hydraulic motor 17 drives the second gear 19 to rotate through the first gear 18, the second gear 19 drives the third gear 21 to rotate, the third gear 21 enables the rotating shaft 20 to synchronously rotate, the fourth gear 22 at the top of the rotating shaft 20 also synchronously rotates, the fourth gear 22 drives the fifth gear 23 to rotate, the fifth gear 23 drives the threaded core 9 to rotate to enable the threaded core 9 to retreat, at this time, the return spring 15 is not compressed any more, and pushes the push plate 4 to eject the product 24, and the obtained product 24 is shown in fig. 11 and 12; and after the product 24 is taken out, the mold is closed again, the driving mechanism enables the threaded mold core 9 to enter the teeth through the reverse rotation of the gear transmission, the threaded mold core 9 is screwed in again and penetrates out of the push plate 4, the return spring 15 is compressed again, the whole mold is finished, and the mold is separated again after the next injection molding.

The utility model discloses make movable mould internal core 10 with fillet department, utilize 11 automatic molding assembly fillets of boss of core 10 in the movable mould, cover half core 5 takes out core 10 and looses core in the movable mould in movable mould core 7, when the die sinking, cover half core 5 stirs core 10 in the movable mould, owing to take out core 10's internal contraction in the movable mould this moment, 24 automatic molding assembly fillets of product, later continue to take out core until accomplishing the branch mould, last mould hank tooth, 24 ejecting of product, realize the production of ball valve main part product promptly. The utility model discloses ingenious take out core 10 embedding movable mould core 7 with the movable mould in make an organic whole, save space, can satisfy the core shaping requirement and can make the movable mould in take out core 10 internal contraction again to realize interior fillet direct forming, this structure can be suitable for various specification ball valve main part products, saves product later stage chamfer processing, makes the product more perfect, and assembly process is simpler.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The automatic ball valve forming die is characterized by comprising a fixed die, a movable die and a base, wherein the fixed die covers the movable die to be closed, the movable die is arranged at the top of the base, and a driving mechanism is arranged on one side of the base;

the die core comprises a fixed die and a movable die, wherein the fixed die is provided with a molding cavity and a runner for injection molding of the molding cavity, the molding cavity is internally provided with a fixed die core, the tail end of the fixed die core is provided with an oblique insert block, the fixed die is also provided with an oblique guide pillar, the top of the movable die is provided with a push plate, the movable die is provided with a movable die core and a movable die slider, the lower part of the movable die core is sleeved with a threaded core, the bottom of the threaded core penetrates out of the push plate and is arranged in the movable die to be in transmission connection with a driving mechanism, the movable die core is embedded in the movable die core, one end of the movable die core is provided with a boss for chamfering, one end of the movable die core provided with the boss is inserted with the movable die slider core, the other end of the movable die slider core is fixed in the movable die slider, the movable die slider is in sliding connection with the push plate, and the top of the movable die slider is provided with an oblique groove, the inclined insert block of the fixed die core is inserted into the top of the movable die core and penetrates through an inclined hole formed in the movable die internal drawing core, so that the movable die core is arranged in the forming cavity, and meanwhile, the inclined guide post is inserted into an inclined groove of the movable die slide block, so that the die assembly of the fixed die and the movable die is realized.

2. The automatic ball valve molding die according to claim 1, wherein a plurality of molding cavities are formed in the fixed die, a fixed die core is arranged in each molding cavity, and a plurality of movable die cores are correspondingly arranged on the movable die.

3. The automatic ball valve forming mold according to claim 2, wherein four forming cavities are uniformly distributed, a fixed mold core is arranged in each forming cavity, and four movable mold cores are correspondingly arranged on the movable mold.

4. The automatic ball valve forming die according to claim 3, wherein two movable die cores correspond to one movable die slide block, the movable die slide block is provided with two fixing holes, one end of each movable die slide core is inserted into a boss of the movable die internal withdrawal core inside the movable die core, and the other end of each movable die slide core is inserted into and fixed in the movable die slide block through the corresponding fixing hole.

5. The automatic ball valve forming die according to claim 4, wherein fixing plates are arranged on two sides of the movable die slide block, the fixing plates are fixed on the push plate, sliding grooves are formed in both the fixing plates, and two sides of the movable die slide block are respectively connected with the sliding grooves of the two fixing plates in a sliding manner.

6. The automatic ball valve molding die according to claim 1, wherein the push plate is provided with a threaded hole, and the threaded top of the threaded core penetrates out of the push plate through the threaded hole, is sleeved on the movable mold core, and is placed in the molding cavity together.

7. The automatic ball valve molding die according to claim 6, wherein a return spring is connected between the push plate and the bottom of the base.

8. The automatic ball valve molding die according to claim 1, wherein a positioning bead is provided on an inner wall of the movable mold core, a positioning circular hole is provided on an outer wall of the movable mold inner core, and the movable mold inner core is positioned by fitting the positioning bead with the positioning circular hole.

9. The automatic ball valve molding die according to claim 1, wherein the driving mechanism comprises a hydraulic motor, a first gear, a second gear, a rotating shaft, a third gear, a fourth gear and a fifth gear, a rotating shaft of the hydraulic motor is meshed with the second gear through the first gear, two ends of the rotating shaft are respectively installed in the base and the movable die through bearings, the third gear is sleeved at the bottom of the rotating shaft and arranged in the base, the second gear is meshed with the third gear, the fourth gear is sleeved at the top of the rotating shaft and arranged in the movable die, the fifth gear is sleeved on the threaded core, the bottom of the threaded core is installed on the movable die through a bearing, and the fourth gear is meshed with the fifth gear.

10. The automatic ball valve forming mold according to claim 1, wherein an injection channel is arranged on the runner, the injection channel penetrates through the fixed mold, and an injection port of the injection channel is arranged on the surface of the fixed mold.

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