阅读说明：本技术 一种管阀配套保护盖加工成型模具 (Processing and forming die for protective cover matched with pipe valve ) 是由 范存武 于 2020-12-28 设计创作，主要内容包括：本发明公开了一种管阀配套保护盖加工成型模具,包括成型模和保护盖,其特征在于：所述成型模位于保护盖的下方,所述保护盖的右侧设置有切断机构,所述切断机构的右侧管道连接有分配机构,所述成型模的上方设置有浇筑机构,所述浇筑机构与分配机构为管道连接,所述保护盖位于于成型模的下方,所述切断机构包括有球阀,所述球阀的左侧设置有受压囊,所述球阀靠近保护盖的一侧设置有储刀室,所述储刀室的内部设置有刮刀一和刮刀二,所述刮刀一与受压囊为管道连接,所述成型模的一侧设置有压板,所述压板与受压囊的上方为配合结构,所述卡扣与卡槽为配合结构,本发明,具有实用性强和自动浇筑修复内壁的特点。(The invention discloses a processing and forming die for a protective cover matched with a pipe valve, which comprises a forming die and the protective cover and is characterized in that: the forming die is located below the protective cover, the right side of the protective cover is provided with a cutting mechanism, a right pipeline of the cutting mechanism is connected with a distribution mechanism, a pouring mechanism is arranged above the forming die and is in pipeline connection with the distribution mechanism, the protective cover is located below the forming die and comprises a ball valve, a pressure bag is arranged on the left side of the ball valve, a knife storage chamber is arranged on one side, close to the protective cover, of the ball valve, a first scraper and a second scraper are arranged inside the knife storage chamber, the first scraper is in pipeline connection with the pressure bag, a pressing plate is arranged on one side of the forming die and is in a matched structure with the upper portion of the pressure bag, and the buckles and the clamping grooves are in a matched structure.)

1. The utility model provides a supporting visor machine-shaping mould of pipe valve, includes moulded die (1) and visor (2), its characterized in that: the forming die (1) is located below the protective cover (2), a cutting mechanism is arranged on the right side of the protective cover (2), a distribution mechanism is connected to a pipeline on the right side of the cutting mechanism, a pouring mechanism is arranged above the forming die (1), and the pouring mechanism is connected with the distribution mechanism through a pipeline.

2. The processing and forming die for the matched protective cover of the pipe valve as claimed in claim 1, wherein the die comprises: the cutting mechanism comprises a ball valve (3), a pressure bag (30) is arranged on the left side of the ball valve (3), a knife storage chamber is arranged on one side, close to the protective cover (2), of the ball valve (3), a first scraper (25) and a second scraper (26) are arranged inside the knife storage chamber, the first scraper (25) is connected with the pressure bag (30) through a pipeline, a pressing plate is arranged on one side of the forming die (1), the pressing plate and the pressure bag (30) are in a matched structure, a buckle is arranged on one side of the pressing plate, a clamping groove is formed in the left outer wall of the ball valve (3), and the buckle and the clamping groove are in a matched structure.

3. The processing and forming die for the matched protective cover of the pipe valve as claimed in claim 2, wherein: the novel hydraulic mold is characterized in that a fusing cavity (6) is arranged below the protective cover (2), the pouring mechanism comprises a pouring casing, a cooling liquid pool is arranged on the right side of the pouring mechanism, a hydraulic plate (19) is arranged at the bottom of the pouring casing, a baffle (21) is arranged inside the hydraulic plate (19), a sensing ball (20) is connected to a bottom torsion spring of the baffle (21), the sensing ball (20) is located on the outer side of the hydraulic plate (19), the sensing ball (20) and the inner wall of the forming mold (1) are of a matched structure, a left cavity is arranged on the left side of the baffle (21), a right cavity is arranged on the right side of the baffle (21), and the right cavity and the cooling liquid pool are connected through a pipeline.

4. The processing and forming die for the matched protective cover of the pipe valve as claimed in claim 3, wherein the die comprises: the bottom of the pouring shell is provided with a support column (24), the top of the support column (24) is rotatably connected with a connecting rod (22), one side of the connecting rod (22) is fixedly connected with the baffle (21), and the other side of the connecting rod (22) is fixedly provided with a push plate (23).

5. The processing and forming die for the matched protective cover of the pipe valve as claimed in claim 4, wherein the die comprises: the distribution mechanism comprises a distribution shell, a cooling bag (11) is arranged inside the distribution shell, a fusing bag (12) is arranged inside the cooling bag (11), a flexible film (14) is arranged on the right side of the pouring shell, a pouring cavity (13) is formed by the flexible film (14) and the inner wall of the forming die (1), the pouring cavity (13) is connected with the fusing bag (12) through a pipeline, and an elastic one-way valve is arranged between the pouring cavity (13) and the pipeline of the fusing bag (12).

6. The processing and forming die for the matched protective cover of the pipe valve as claimed in claim 5, wherein the die comprises: the novel casting device is characterized in that a top plate (18) is arranged on the left side of the interior of the casting shell, a plurality of pushing balls (15) are connected to the right side of the top plate (18) in a spring mode, pushing strips are fixed on the left sides of the pushing balls (15), magnetic blocks (17) are arranged on the left sides of the pushing strips, a fixing plate is arranged on the left sides of the pushing strips, magnets (16) are arranged on the right sides of the fixing plate, and the magnets (16) and the magnetic blocks (17) are of a matched structure.

7. The processing and forming die for the matched protective cover of the pipe valve as claimed in claim 6, wherein: fusing bag (12) are provided with the liquid distribution piece with the left side of cooling bag (11), the fast inside of liquid distribution is provided with flexible membrane (10), the right side of flexible membrane (10) is provided with flexible post (9), the right side of flexible post (9) is the cooperation structure with fusing bag (12), the top of flexible membrane (10) is provided with the cooling and stores chamber (8), the below of flexible membrane (10) is provided with fusing and stores chamber (7), cooling is stored chamber (8) and is connected for the pipe with cooling bag (11), fusing is stored chamber (7) and is connected for the pipe with fusing bag (12).

8. The processing and forming die for the matched protective cover of the pipe valve as claimed in claim 7, wherein: a cooling liquid flowing chamber is arranged between the push strip and the flexible film (14), and the cooling liquid flowing chamber is connected with the left cavity through a pipeline.

9. The machine-shaping mold for the protection cover matched with the pipe valve as claimed in claim 8, wherein: the top of ball valve (3) is provided with the cooling and stores chamber two (27), the below of ball valve (3) is provided with the fusing and stores chamber two (28), chamber two (27) are stored for the pipe connection with cooling storage chamber (8) to the cooling, the fusing is stored chamber two (28) and is stored chamber one (7) and be the pipe connection with the fusing, the opposite side pipe connection that chamber two (27) were stored in the cooling has valve two, two inside fender ball two (5) that are provided with of valve, the opposite side and the coolant liquid pond of valve two are the pipe connection, the lower pipeline of ball valve (3) is connected with valve one, the inside of valve one is provided with fender ball one (4), and the opposite side and fusing chamber (6) of valve one are the pipe connection.

10. The machine-shaping mold for the protection cover matched with the pipe valve as claimed in claim 9, wherein: a hydraulic oil cavity (29) is arranged in the middle of the ball valve (3), an inclined pressing plate (31) is arranged on the left side of the hydraulic oil cavity (29) close to the inner wall of the left side of the ball valve (3), and the inclined pressing plate (31) is connected with the second scraper (26) through a pipeline.

Technical Field

The invention relates to the technical field of machining forming dies, in particular to a machining forming die for a protective cover matched with a pipe valve.

Background

The pipe valve matching protective cover is provided with a valve part with a valve rod sealing element and used for connecting or supporting an actuating mechanism, the valve cover and the valve body can be integrated and can be separated, the valve cover in the gate valve mainly plays a role in pressing and filling, a forming die is required to be used in the manufacturing and processing process of the valve cover, the existing forming die is easy to damage and cannot automatically recognize to pour and fill damaged parts of the die, and the existing forming die is poor in practicability, so that the pipe valve matching protective cover processing and forming die with strong design practicability and capable of automatically pouring and repairing the inner wall is necessary.

Disclosure of Invention

The invention aims to provide a processing and forming die for a protective cover matched with a pipe valve, so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a supporting visor machine-shaping mould of pipe valve, includes moulded die and visor, its characterized in that: the forming die is located below the protective cover, a cutting mechanism is arranged on the right side of the protective cover, a distribution mechanism is connected to the right side of the cutting mechanism through a pipeline, a pouring mechanism is arranged above the forming die, and the pouring mechanism is connected with the distribution mechanism through a pipeline.

According to the technical scheme, the protective cover is located below the forming die, the cutting mechanism comprises a ball valve, a pressed bag is arranged on the left side of the ball valve, a knife storage chamber is arranged on one side, close to the protective cover, of the ball valve, a first scraper and a second scraper are arranged inside the knife storage chamber, the first scraper and the pressed bag are connected through a pipeline, a pressing plate is arranged on one side of the forming die, the pressing plate and the pressed bag are in a matched structure, a buckle is arranged on one side of the pressing plate, a clamping groove is formed in the left outer wall of the ball valve, and the buckle and the clamping groove are in a matched structure.

According to the technical scheme, the fusing cavity is arranged below the protective cover, the pouring mechanism comprises a pouring shell, a cooling liquid pool is arranged on the right side of the pouring mechanism, a hydraulic plate is arranged at the bottom of the pouring shell, a baffle is arranged inside the hydraulic plate, a sensing ball is connected to the bottom end of the baffle in a torsion spring mode and is located on the outer side of the hydraulic plate, the sensing ball is in a matched structure with the inner wall of the forming die, a left cavity is arranged on the left side of the baffle, a right cavity is arranged on the right side of the baffle, and the right cavity is connected with the cooling liquid pool through a pipeline.

According to the technical scheme, the bottom of the pouring shell is provided with the support, the top of the support is rotatably connected with the connecting rod, one side of the connecting rod is fixedly connected with the baffle, and the other side of the connecting rod is fixedly provided with the push plate.

According to the technical scheme, the distribution mechanism comprises a distribution shell, a cooling bag is arranged inside the distribution shell, a fusing bag is arranged inside the cooling bag, a flexible membrane is arranged on the right side of the pouring shell, a pouring cavity is formed by the flexible membrane and the inner wall of the forming die and is connected with the fusing bag through a pipeline, and an elastic one-way valve is arranged between the pouring cavity and the pipeline of the fusing bag.

According to the technical scheme, the top plate is arranged on the left side of the interior of the pouring shell, the right side of the top plate is connected with the plurality of pushing balls through springs, the pushing strips are fixed on the left sides of the pushing balls, the magnetic blocks are arranged on the left sides of the pushing strips, the fixing plate is arranged on the left sides of the pushing strips, the magnets are arranged on the right sides of the fixing plate, and the magnets and the magnetic blocks are of a matched structure.

According to the technical scheme, the left side of fusing bag and cooling bag is provided with the liquid distribution piece, the fast inside of liquid distribution is provided with the flexible membrane of elasticity, the right side of the flexible membrane of elasticity is provided with flexible post, the right side of flexible post is the cooperation structure with the fusing bag, the top of the flexible membrane of elasticity is provided with the cooling and stores chamber one, the below of the flexible membrane of elasticity is provided with the fusing and stores chamber one, the cooling is stored chamber one and is connected for the pipeline with the cooling bag, the fusing is stored chamber one and is connected for the pipeline with the fusing bag.

According to the technical scheme, a cooling liquid flowing chamber is arranged between the push strip and the flexible film, and the cooling liquid flowing chamber is connected with the left cavity through a pipeline.

According to the technical scheme, the top of ball valve is provided with the cooling and stores chamber two, the below of ball valve is provided with the fusing and stores chamber two, the cooling is stored chamber two and is stored chamber one with the cooling and be the pipe connection, the fusing is stored chamber two and is stored chamber one with the fusing and be the pipe connection, the opposite side pipe connection that chamber two was stored in the cooling has valve two, the inside ball two that keeps off that is provided with of valve, the opposite side and the coolant liquid pond of valve two are the pipe connection, the lower side pipe connection of ball valve has valve one, the inside of valve one is provided with ball one, and the opposite side and the fusing chamber of valve one are the pipe connection.

According to the technical scheme, the hydraulic oil cavity is arranged in the middle of the ball valve, the inclined pressing plate is arranged on the left side of the hydraulic oil cavity close to the inner wall of the left side of the ball valve, and the inclined pressing plate is connected with the second scraper through a pipeline.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, through the arrangement of the pouring cavity, when the pouring shell descends, one end of the elastic one-way valve is pulled to move downwards under the action of gravity, so that the fusing bag and the pouring cavity are not blocked, fusing liquid in the fusing bag can flow into the pouring cavity through the pipeline, and automatic pouring and repairing can be realized on the concave-convex inner wall of the forming die under the action of gravity, so that the labor can be saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side cross-sectional schematic view of the casting mechanism of the present invention;

FIG. 3 is a schematic view of the severing mechanism of the present invention;

in the figure: 1. forming a mould; 2. a protective cover; 3. a ball valve; 4. blocking the ball I; 5. a second blocking ball; 6. a fuse cavity; 7. fusing the first storage cavity; 8. a first cooling storage cavity; 9. a telescopic column; 10. an elastic stretch film; 11. a cooling bladder; 12. fusing the capsule; 13. a watering chamber; 14. a flexible film; 15. pushing the ball; 16. a magnet; 17. a magnetic block; 18. a top plate; 19. a hydraulic plate; 20. an induction ball; 21. a baffle plate; 22. a connecting rod; 23. pushing the plate; 24. a pillar; 25. a first scraper; 26. a second scraper; 27. a first cooling storage cavity; 28. fusing the storage cavity II; 29. a hydraulic oil chamber; 30. a pressurized bladder; 31. and (5) obliquely pressing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a supporting visor machine-shaping mould of pipe valve, includes the supporting visor machine-shaping mould of a pipe valve, including moulded die 1 and visor 2, its characterized in that: the forming die 1 is positioned below the protective cover 2, the right side of the protective cover 2 is provided with a cutting mechanism, the right side pipeline of the cutting mechanism is connected with a distribution mechanism, the upper part of the forming die 1 is provided with a pouring mechanism, the pouring mechanism is connected with the distribution mechanism through a pipeline, when the protective cover 2 needs to be punched out of the forming die 1, burrs are generated on the periphery of the protective cover 2 due to the punching pressure, the burr of the protective cover 2 can be removed and recycled for fusing through the cutting mechanism, when the pouring mechanism recognizes that the inner wall of the forming die 1 is provided with the concave pit due to long-term use, the pouring mechanism is matched with the inner wall of the forming die 1, and solution is input into the pouring mechanism through the distribution mechanism, pouring and cooling the inner wall of the forming die 1, fusing and pouring again by recycling burr scrap iron, so that the service life of the forming die 1 can be prolonged, and the use cost of the forming die 1 can be saved;

the protective cover 2 is positioned below the forming die 1, the cutting mechanism comprises a ball valve 3, a pressed bag 30 is arranged on the left side of the ball valve 3, a knife storage chamber is arranged on one side of the ball valve 3 close to the protective cover 2, a first scraper 25 and a second scraper 26 are arranged inside the knife storage chamber, the first scraper 25 is connected with the pressed bag 30 through a pipeline, a pressing plate is arranged on one side of the forming die 1, the pressing plate and the pressed bag 30 are in a matched structure, a buckle is arranged on one side of the pressing plate, a clamping groove is formed in the left outer wall of the ball valve 3, the buckle and the clamping groove are in a matched structure, when the forming die 1 punches the protective cover 2, burrs are generated around the protective cover 2 during punching due to different shapes of the protective cover 2, the pressing plate is driven to move downwards when the forming die 1 punches down, the pressing plate can extrude the pressed bag 30 at the moment, and, the buckle on the pressing plate can be matched with the clamping groove on the left outer wall of the ball valve 3, the forming die 1 can recover to the original position when the forming die 1 is well stamped, at the moment, the pressing plate is matched with the clamping groove, the pressing plate cannot move upwards along with the forming die 1, so that liquid in the pressed bag 30 cannot flow back, an outward thrust can be always applied to the scraper I25, the scraper I25 is in contact with peripheral burrs of the protective cover 2, at the moment, the working table for clamping the protective cover 2 is rotated through the motor, the scraper I25 can remove the peripheral burrs of the protective cover 2, the removed burrs facilitate subsequent fusing, waste iron burrs can be recycled, the working cost is saved, the subsequent pouring work is facilitated, and the environment cannot be polluted after the fusing work is collected;

a fusing cavity 6 is arranged below the protective cover 2, the pouring mechanism comprises a pouring shell, a cooling liquid pool is arranged on the right side of the pouring mechanism, a hydraulic plate 19 is arranged at the bottom of the pouring shell, a baffle plate 21 is arranged inside the hydraulic plate 19, a bottom torsion spring of the baffle plate 21 is connected with an induction ball 20, the induction ball 20 is positioned outside the hydraulic plate 19, the induction ball 20 and the inner wall of the forming die 1 are in a matched structure, a left chamber is arranged on the left side of the baffle plate 21, a right chamber is arranged on the right side of the baffle plate 21, the right chamber is in pipeline connection with the cooling liquid pool, when the inner wall of the forming die 1 is not damaged, the induction ball 20 detects that no pit is arranged on the inner wall of the forming die 1, the inside of the forming die 1 can support against the induction ball 20 to enable the induction ball 20 to be in a vertical state, so that the baffle plate 21 is in a vertical state, because the left, the hydraulic pressure is provided to provide upward thrust for the hydraulic plate, so that the casting shell cannot fall, the sensing ball 20 can detect that the inner wall has a pit when the inner wall of the forming die 1 is damaged, the sensing ball 20 can be close to the pit under the action of the torsion spring at the moment, so that the baffle 21 is inclined, the left chamber and the right chamber of the hydraulic plate 19 are communicated and connected to form a tiny gap, the liquid in the left chamber flows into the right chamber to flow back into the cooling liquid pool, the hydraulic pressure of the left chamber is gradually and slowly reduced at the moment, so that the casting shell falls from the upper side of the forming die 1, due to the arrangement of the elastic one-way valve, the speed of the casting shell during initial falling is increased, when the casting shell approaches the forming die 1, due to the elastic force of the elastic one-way valve, a back-pulling force can be generated, the falling speed of the casting shell is reduced, and the flexible film, the pouring shell is prevented from being scratched out of the interior of the forming die 1 at a time due to the influence of gravity because of the slow descending speed;

a support 24 is arranged at the bottom of the pouring shell, a connecting rod 22 is rotatably connected to the top of the support 24, one side of the connecting rod 22 is fixedly connected with the baffle 21, a push plate 23 is fixed to the other side of the connecting rod 22, when the pouring shell is in close fit with the inner wall of the pit of the forming die 1, the baffle 21 is driven by the induction ball 20 to incline, so that the connecting rod 22 rotates rightwards around the top end of the support 24, at the moment, the push plate 23 can push the flexible membrane 14 to be tightly attached to the inner wall of the forming die 1, when the inner wall of the forming die 1 is poured and filled, the flexible membrane 14 is straightened by the filling pressure of the pouring liquid inside, so that when the push rod 23 is pushed to move leftwards, the connecting rod 22 rotates leftwards around the support, so that the baffle 21 is driven to return to the vertical state, at the left chamber of the hydraulic plate 19 is, the hydraulic pressure in the left chamber is increased, the hydraulic plate 19 is pushed upwards by the hydraulic pressure, the pouring shell 24 is restored to the original position, the pouring shell can be descended and lifted back to the original position in one step when the pouring shell stays in the gap of stamping, the actions are finished in one step, and manual pouring is not needed by workers, so that the time can be saved;

the distribution mechanism comprises a distribution shell, a cooling bag 11 is arranged in the distribution shell, a fusing bag 12 is arranged in the cooling bag 11, a flexible membrane 14 is arranged on the right side of the pouring shell, a pouring cavity 13 is formed by the flexible membrane 14 and the inner wall of the forming die 1, the pouring cavity 13 is connected with the fusing bag 12 through a pipeline, an elastic one-way valve is arranged between the pouring cavity 13 and the pipeline of the fusing bag 12, when the pouring shell descends, one end of the elastic one-way valve can be pulled to move downwards under the action of gravity, so that the fusing bag 12 is not blocked with the pouring cavity 13, fusing liquid in the fusing bag 12 can flow into the pouring cavity 13 through the pipeline, automatic pouring of the concave-convex inner wall of the forming die 1 can be realized through the action of gravity, and therefore, manpower can be saved;

a top plate 18 is arranged on the left side inside the pouring shell, a plurality of push balls 15 are connected with a spring on the right side of the top plate 18, push strips are fixed on the left sides of the push balls 15, magnetic blocks 17 are arranged on the left sides of the push strips, a fixing plate is arranged on the left side of the push strips, magnets 16 are arranged on the right side of the fixing plate, the magnets 16 and the magnetic blocks 17 are in a matching structure, when the pouring shell descends to the inner wall of the forming die 1, the flexible membrane 14 is pushed by the push plate 23 to be attached to the inner wall of the forming die 1, the push balls 15 abut against the flexible membrane 14 through the elastic force and simultaneously drive the push strips to move, so that the magnetic blocks 17 are separated from the magnets 16, when the pouring cavity 13 is poured, the pouring liquid inside gradually changes to enable the flexible membrane 11 to be leveled, at the moment, the flexible membrane 14 abuts against the push balls 15, the spring is arranged on one side of the push balls, the pouring liquid can be compacted, so that the poured pouring liquid has high pressure resistance when being formed on the inner wall of the forming die 1, the pouring liquid is not easy to damage when being stamped next time, and the service life is prolonged;

the left sides of the fusing capsule 12 and the cooling capsule 11 are provided with liquid distribution blocks, an elastic telescopic film 10 is arranged in the liquid distribution block, a telescopic column 9 is arranged on the right side of the elastic telescopic film 10, the right side of the telescopic column 9 and the fusing capsule 12 are of a matched structure, a cooling storage cavity I8 is arranged above the elastic telescopic film 10, a fusing storage cavity I7 is arranged below the elastic telescopic film 10, the cooling storage cavity I8 is connected with the cooling capsule 11 through a pipeline, the fusing storage cavity I7 is connected with the fusing capsule 12 through a pipeline, when a casting shell is used for casting the inner wall of the forming die 1, fusing liquid in the fusing capsule 12 is used, the fusing capsule 12 can be shrunk due to excessive use of the fusing liquid in the fusing capsule 12, the telescopic column 9 is pushed to the center of the fusing capsule 12 along with shrinkage of the fusing capsule 12, negative pressure is generated in the fusing storage cavity I7, and the fusing liquid is sucked into the fusing storage cavity I from the fusing cavity 6 through the generated negative pressure, because the first fusing storage cavity 7 and the fusing bag 12 are connected with a pipeline, the fusing bag 12 can be continuously filled with fusing liquid, so that the fusing liquid is prevented from being used up, and the pouring quality is influenced, when the fusing liquid in the first fusing bag 12 is too much, the fusing bag 12 can be expanded, the telescopic column 9 is pushed to move outwards, and therefore the liquid in the cooling liquid pool flows into the first cooling storage cavity 8, due to the elastic telescopic membrane 10 arranged between the first cooling storage cavity 8 and the second cooling storage cavity, the cooling liquid in the first cooling storage cavity 8 can pre-cool the fusing liquid in the first fusing liquid storage cavity 7 through the elastic telescopic membrane 10, and one side of the telescopic column 9 is prevented from being deformed or generating a gap with the elastic telescopic membrane 10 due to overhigh fusing liquid temperature, so that the cooling liquid in the first cooling storage cavity 8 is mixed with the fusing liquid in the first fusing storage cavity 7, and the subsequent pouring quality is influenced;

a cooling liquid flowing chamber is arranged between the push bar and the flexible film 14 and is connected with the left chamber through a pipeline, when the concave surface of the inner wall of the forming die 1 is poured, the fusing liquid in the fusing bag 12 can be increased to expand the fusing bag 12, the cooling bag 11 can be extruded in the expansion process, the cooling liquid in the cooling bag 11 flows into the cooling flowing chamber through the pipeline to rapidly cool the pouring liquid in the pouring cavity 13, the forming die 1 can be rapidly poured and formed, and the forming die 1 can be conveniently and rapidly put into a working state, so that the time can be saved;

a second cooling storage cavity 27 is arranged above the ball valve 3, a second fusing storage cavity 28 is arranged below the ball valve 3, the second cooling storage cavity 27 is connected with the first cooling storage cavity 8 through a pipeline, the second fusing storage cavity 28 is connected with the first fusing storage cavity 7 through a pipeline, the other side of the second cooling storage cavity 27 is connected with a second valve through a pipeline, a second blocking ball 5 is arranged inside the second valve, the other side of the second valve is connected with a cooling liquid pool through a pipeline, a first valve is connected with the lower pipeline of the ball valve 3, a first blocking ball 4 is arranged inside the first valve, the other side of the first valve is connected with the fusing cavity 6 through a pipeline, when the fusing bag 12 is shrunk, the telescopic column 9 moves towards the center close to the telescopic bag 9, the telescopic column 9 enables the first fusing storage cavity 7 and the first cooling storage cavity 8 to generate negative pressure, at the moment, the first blocking ball inside the first valve sucks the fusing liquid in the fusing cavity 6 into the second fusing storage cavity 28 due to the action of the negative pressure, and the fusing liquid can, at the moment, the blocking ball II 5 in the valve I moves downwards under the action of negative pressure to block a water outlet of the valve I, so that cooling liquid is prevented from flowing out of the valve I, the fusing liquid in the fusing bag 12 expands due to excessive fusing liquid, the telescopic column 9 is pushed to move outwards at the moment, outward pressure is provided for the cooling storage cavity I8, the blocking ball II 5 in the valve II moves upwards, the cooling liquid in the cooling liquid pool flows into the cooling storage cavity I8 from the valve II, the blocking ball I4 in the valve I moves downwards under the pushing force to block a fusing liquid inlet of the valve I, the fusing liquid is prevented from entering the fusing storage cavity I7, the sequence of the cooling liquid and the fusing liquid can be regulated through the left-right movement of the telescopic column 9, the cooling liquid and the fusing liquid are prevented from simultaneously entering the cooling bag 11 and the fusing bag 12, and the cooling bag 11 and the fusing bag 12 are prevented from being extruded mutually and burst due to excessive internal pressure, the internal fusing liquid is thrown out, so that life threat is caused to workers;

a hydraulic oil chamber 29 is arranged in the middle of the ball valve 3, an inclined pressure plate 31 is arranged on the left side of the hydraulic oil chamber 29 close to the inner wall of the left side of the ball valve 3, the inclined pressure plate 31 is connected with the second scraper 26 through a pipeline, the hydraulic oil chamber 29 is arranged in the ball valve 3, when the second cooling storage cavity 27 and the second fusing storage cavity 28 are filled with liquid, the hydraulic oil cavity 29 is pressed to press the inclined pressure plate 31, and the internal hydraulic oil extrudes the second scraper 26 through the internal pressure to ensure that the second scraper 26 extends out of the cutter storage chamber, at the moment, the workbench for clamping the protective cover 2 rotates, because the second scraper 26 is completely contacted with the side surface of the protective cover 2, the surface of the protective cover 2 can be polished, so that the processing molding and the polishing are integrated, thereby saving time and labor, putting the polished scraps into the fusing cavity 6 for fusing, can recycle and save materials, and can not damage the pipe valve when the protective cover 2 is matched with the pipe valve after being polished.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.