Die for forging valve body

Abstract

The utility model discloses a die for forging a valve body, which comprises an upper mounting plate, a lower mounting plate, an upper die and a lower die, the lower die is arranged at the top of the lower mounting plate, the bottom side of the upper mounting plate is fixedly connected with the upper die, the bottom side of the upper die is fixedly attached to the lower die, and a guide component is arranged at the edge of the top of the upper mounting plate. According to the die, steel slag of deformed high-temperature steel attached to the die cavity can be cleaned in time, the conditions of friction and resistance increase are avoided, the temperature in the die cavity can be rapidly reduced after machining is completed, thermal stress and abrasion of the die can be reduced through cooling, the service life of the die is prolonged, and the production cost is reduced; and the input lubricating oil is sprayed into the die cavity of the lower die through the atomization nozzle, the lubrication degree of the die cavity can be increased, friction and resistance are further reduced, and therefore energy loss is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of valve body production molds, and specifically, to a mold for forging valve bodies. Background Art

[0002] A forging press is a hydraulic press or mechanical press for forging hot metals, and is widely used in precision forging, precision blanking such as gear processing, etc. The traditional forging press applies pressure to the blank in the mold, so that the blank flows under pressure to fill the cavity, but the excess blank will overflow from the edge of the mold to generate waste flash, resulting in waste.

[0003] In the prior art, the application number 202122610383.2 discloses a multi-directional forging press, including a press body, and further including a mold installed on the press body. A cavity for accommodating a blank is provided in the mold, and openings communicating with the cavity are provided on both sides of the mold; a stamping part connected with a driving mechanism is provided on both sides of the press body, and one end of the stamping part is adapted to the opening on the side of the mold; during the forging process of the mold of the above device, it is necessary to separate multiple times for manual jet cleaning of steel slag, which is time-consuming and laborious, cannot ensure the smooth forging process, and can improve the durability of the mold.

[0004] For the problems in the related art, no effective solution has been proposed yet. Content of the Utility Model

[0005] In view of the problems in the related art, the utility model provides a mold for forging valve bodies to overcome the above technical problems existing in the related art.

[0006] Therefore, the specific technical solution adopted by the utility model is as follows:

[0007] A mold for forging valve bodies includes an upper mounting plate, a lower mounting plate, an upper mold, and a lower mold. The lower mold is arranged on the top of the lower mounting plate. The bottom side of the upper mounting plate is fixedly connected with the upper mold. The bottom side of the upper mold is fixedly attached to the lower mold. A guiding component is arranged at the edge of the top of the upper mounting plate.

[0008] Preferably, the guiding component includes guiding rods and operating rods. The guiding rods are respectively arranged at the four corners of the top of the lower mounting plate, and the operating rods are symmetrically arranged between the front and rear guiding rods.

[0009] Preferably, guiding holes are respectively and equidistantly penetrated through the front side of the top of the upper mounting plate, and first limiting protrusions are symmetrically arranged on the inner walls of the guiding holes at the four corners. Limiting grooves are dug on both sides of the outer wall of the guiding rod, and the limiting grooves penetrate through the top ends of the guiding rods. The guiding rods are respectively sleeved inside the guiding holes, and the limiting grooves are slidably and fitted with the first limiting protrusions.

[0010] Preferably, connecting pipes are provided through the tops of the operating rods. The upper part of the wall cavity of the operating rod is a hollow structure. An arc-shaped through opening is dug in the upper part of the front side of the operating rod. A first servo motor is provided in the lower part of the wall cavity of the operating rod, and the output shaft of the first servo motor is fixedly connected with an internal hexagonal pipe.

[0011] Preferably, the internal hexagonal pipe is movably arranged in the upper part of the wall cavity of the operating rod, and an air delivery pipe is movably clamped inside the internal hexagonal pipe. Air blowing holes are provided through the inner side of the air delivery pipe, and the top end of the air delivery pipe is connected through a bearing to the bottom end of the connecting pipe.

[0012] Preferably, an operating box is provided in the middle of the guide rod on the right side of the rear part. Connecting bearings are respectively provided on the upper and lower sides of the operating box and are connected through the connecting bearings to the middle of the guide rod. An adjusting screw rod is provided through the inside of the operating box. A limiting through opening is dug on the outer wall of the adjusting screw rod. An infusion pipe is fixedly provided through the inside of the adjusting screw rod.

[0013] Preferably, atomizing nozzles are provided at equal intervals on the outer side of the infusion pipe. The atomizing nozzles are located at the rear side of the limiting through opening. A second servo motor is fixedly connected to one side of the inner cavity of the operating box. A storage battery is provided on the right side of the second servo motor. The storage battery is electrically connected to the second servo motor through a wire.

[0014] Preferably, the output shaft of the second servo motor is fixedly connected with a worm. A rotating pipe is provided through the middle of the inner cavity of the operating box through a bearing. A worm gear is sleeved and fixed on the outer wall of the rotating pipe. The worm gear is in matching meshing connection with the worm. A nut is connected inside the rotating pipe through a ball bearing and is in matching threaded connection with the adjusting screw rod through the nut. A limiting pipe is fixedly connected to the outside of the operating box. The limiting pipe is connected through to the inside of the rotating pipe. Second limiting protrusions are provided on the inner wall of the limiting pipe and are slidably fitted with the inner wall of the limiting through opening through the second limiting protrusions.

[0015] The beneficial effects of the present utility model are as follows: It can timely clean the steel slag attached to the die cavity of the high-temperature steel after deformation, avoid the situation of increased friction and resistance, and can quickly cool the temperature in the die cavity after processing is completed. Cooling can reduce the thermal stress and wear of the die, extend the service life of the die, reduce production costs. By spraying the input lubricating oil into the die cavity of the lower die through the atomizing nozzles, the lubricity of the die cavity can be increased, further reducing friction and resistance, thereby reducing energy consumption. Description of the Drawings

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required for use in the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0017] Figure 1 is the overall structural schematic diagram of a die for forging a valve body according to an embodiment of the present invention;

[0018] Figure 2 is the external structural schematic diagram of a guiding component of a die for forging a valve body according to an embodiment of the present invention;

[0019] Figure 3 is the external structural schematic diagram of an operation box of a die for forging a valve body according to an embodiment of the present invention;

[0020] Figure 4 is the internal structural schematic diagram of an operation box of a die for forging a valve body according to an embodiment of the present invention.

[0021] In the figure:

[0022] 1. Upper mounting plate; 2. Lower mounting plate; 3. Upper die; 4. Lower die; 5. Guiding component; 6. Guiding rod; 7. Operating rod; 8. Limiting groove; 9. Connecting pipe; 10. Arc-shaped through hole; 11. First servo motor; 12. Internal hexagonal pipe; 13. Air delivery pipe; 14. Blowing hole; 15. Operation box; 16. Connecting bearing; 17. Adjusting screw; 18. Limiting through hole; 19. Infusion pipe; 20. Atomizing nozzle; 21. Second servo motor; 22. Battery; 23. Worm; 24. Rotating pipe; 25. Worm gear; 26. Limiting pipe. Specific embodiments

[0023] To further illustrate each embodiment, the present invention provides accompanying drawings. These accompanying drawings are part of the disclosure of the present invention, mainly used to illustrate the embodiments, and can cooperate with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0024] According to an embodiment of the present invention, a die for forging a valve body is provided.

[0025] Embodiment 1

[0026] As Figures 1-4As shown in the figure, a die for valve body forging according to an embodiment of the present utility model includes an upper mounting plate 1, a lower mounting plate 2, an upper die 3, and a lower die 4. The lower die 4 is arranged on the top of the lower mounting plate 2. The bottom side of the upper mounting plate 1 is fixedly connected to the upper die 3. The bottom side of the upper die 3 is fixedly attached to the lower die 4. A guiding assembly 5 is provided at the top edge of the upper mounting plate 1. The guiding assembly 5 includes guiding rods 6 and operating rods 7. The guiding rods 6 are respectively arranged at the four corners of the top of the lower mounting plate 2. The operating rods 7 are symmetrically arranged between the front and rear guiding rods 6. Guide holes are respectively and equidistantly penetrated through the front side of the top of the upper mounting plate 1, and first limiting protrusions are symmetrically arranged on the inner walls of the guide holes at the four corners. Limiting grooves 8 are dug on both sides of the outer wall of the guiding rod 6. The limiting grooves 8 penetrate through the top end of the guiding rod 6. The guiding rods 6 are respectively sleeved inside the guide holes, and the limiting grooves 8 are respectively slidably engaged with the first limiting protrusions. The lower mounting plate 2 is installed on the stamping part base of the forging press. When the upper mounting plate 1 connected to the stamping mechanism of the forging press drives the upper die 3 and the lower die 4 to close the die, during the process of closing the die, the guide holes on the upper mounting plate 1 can be respectively and movably sleeved with the guiding rods 6 and the operating rods 7, and the first limiting protrusions on the inner walls of the guide holes at the four corners are respectively slidably engaged with the limiting grooves 8 on the outer walls of the guiding rods 6, which can make the accuracy of closing the upper die 3 and the lower die 4 more stable.

[0027] Embodiment 2

[0028] As Figures 1-4As shown in the figure, a die for forging a valve body according to an embodiment of the present invention includes an upper mounting plate 1, a lower mounting plate 2, an upper die 3, and a lower die 4. The lower die 4 is disposed on the top of the lower mounting plate 2. The bottom side of the upper mounting plate 1 is fixedly connected to the upper die 3. The bottom side of the upper die 3 is fixedly attached to the lower die 4. A guiding component 5 is provided at the top edge of the upper mounting plate 1. Connecting pipes 9 are respectively provided through the tops of the operating rods 7. The upper part of the wall cavity of the operating rod 7 is a hollow structure. An arc-shaped through hole 10 is dug above the front side of the operating rod 7. A first servo motor 11 is provided in the lower part of the wall cavity of the operating rod 7. The output shaft of the first servo motor 11 is fixedly connected to an internal hexagonal pipe 12. The internal hexagonal pipe 12 is movably disposed in the upper part of the wall cavity of the operating rod 7. An air delivery pipe 13 is movably engaged inside the internal hexagonal pipe 12. Air blowing holes 14 are respectively provided through the inner side of the air delivery pipe 13. The top end of the air delivery pipe 13 is connected through a bearing to the bottom end of the connecting pipe 9. The output ends of external air compressors are respectively connected and fixed to the connecting pipes 9 through hoses. The first servo motor 11 is started. The output shaft of the first servo motor 11 drives the internal hexagonal pipe 12 to rotate in a controlled manner in circles and reciprocate, so that the air delivery pipe 13 reciprocates inside the operating rod 7, and high-pressure gas can be blown reciprocally through the air blowing holes 14 around the mold cavity of the lower die 4 to remove slag. It is not necessary for workers to manually operate the equipment for close-range slag removal treatment, and the operation is safer. The slag attached to the mold cavity of the high-temperature steel after deformation can be cleaned in time, avoiding the increase of friction and resistance. Moreover, the temperature in the mold cavity can be rapidly cooled after processing. Cooling can reduce the thermal stress and wear of the mold, extend the service life of the mold, and reduce production costs.

[0029] Embodiment 3

[0030] As Figures 1-4As shown in the figure, a mold for forging a valve body according to an embodiment of the present utility model includes an upper mounting plate 1, a lower mounting plate 2, an upper mold 3, and a lower mold 4. The lower mold 4 is arranged on the top of the lower mounting plate 2. The bottom side of the upper mounting plate 1 is fixedly connected to the upper mold 3. The bottom side of the upper mold 3 is fixedly attached to the lower mold 4. A guiding component 5 is provided at the top edge of the upper mounting plate 1. In the middle of the guiding rod 6 on the right side of the rear part, there is an operation box 15. Connecting bearings 16 are respectively provided on the upper and lower sides of the operation box 15, and are connected through the connecting bearings 16 to the middle of the guiding rod 6 in a penetrating manner. An adjusting screw rod 17 is penetrated and arranged inside the operation box 15. A limiting through opening 18 is dug on the outer wall of the adjusting screw rod 17. An infusion pipe 19 is fixedly penetrated inside the adjusting screw rod 17. Atomizing nozzles 20 are equidistantly arranged on the outer side of the infusion pipe 19. The atomizing nozzles 20 are located at the rear side of the limiting through opening 18. On one side of the inner cavity of the operation box 15, a second servo motor 21 is fixedly connected. On the right side of the second servo motor 21, there is a storage battery 22. The storage battery 22 is electrically connected to the second servo motor 21 through a wire. The output shaft of the second servo motor 21 is fixedly connected to a worm 23. In the middle of the inner cavity of the operation box 15, a rotating pipe 24 is penetrated through a bearing. A worm gear 25 is sleeved and fixedly arranged on the outer wall of the rotating pipe 24. The worm gear 25 is engaged and connected with the worm 23 in a matching manner. Inside the rotating pipe 24, a nut is connected through a ball bearing, and is threadedly connected with the adjusting screw rod 17 in a matching manner. A limiting pipe 26 is fixedly connected to the outside of the operation box 15. The limiting pipe 26 is connected to the inside of the rotating pipe 24 in a penetrating manner. Second limiting protrusions are provided on the inner wall of the limiting pipe 26, and are slidably fitted with the inner wall of the limiting through opening 18 through the second limiting protrusions. One end of the infusion pipe 19 can be fixedly connected to the output end of an external oil pump. When putting materials and closing the mold for forging, start the second servo motor 21. The output shaft of the second servo motor 21 drives the worm 23 to rotate, so that the worm 23 meshes and drives the worm gear 25 to rotate. It can enable the rotating pipe 24 inside the worm gear 25 to drive the adjusting screw rod 17 through the nut, and under the limiting effect of the second limiting protrusions on the inner wall of the limiting pipe 26 on the limiting through opening 18, the adjusting screw rod 17 drives the infusion pipe 19 to move downward and extend above the lower mold 4. And under the action of the connecting bearing 16, the angle of the infusion pipe 19 can be adjusted. The input lubricating oil is sprayed into the mold cavity of the lower mold 4 through the atomizing nozzles 20, which can increase the lubrication degree of the mold cavity, further reduce friction and resistance, and thus reduce energy consumption.

[0031] In summary, by means of the above technical solution of the present utility model, when this device is in use, the lower mounting plate 2 is installed on the stamping part base of the forging press. The upper mounting plate 1 connected to the stamping mechanism of the forging press drives the upper die 3 and the lower die 4 to close the mold. During the mold closing process, the guiding holes on the upper mounting plate 1 can be respectively and movably sleeved with the guiding rod 6 and the operating rod 7, and the first limiting protrusions on the inner walls of the guiding holes at the four corners are respectively slidably engaged with the limiting grooves 8 on the outer wall of the guiding rod 6. The output ends of the external air compressor are respectively fixedly connected to the connecting pipes 9 through hoses. The first servo motor 11 is started, and the output shaft of the first servo motor 11 drives the inner hexagonal pipe 12 to rotate reciprocally with a controlled number of turns, so that the air delivery pipe 13 swings reciprocally inside the operating rod 7, and high-pressure gas can be blown reciprocally through the blowing holes 14 to the periphery of the mold cavity of the lower die 4 for slag cleaning, and the temperature in the mold cavity can be rapidly cooled after the processing is completed. One end of the infusion pipe 19 can be fixedly connected to the output end of the external oil pump. When the material is placed and the mold is closed for forging, the second servo motor 21 is started, and the output shaft of the second servo motor 21 drives the worm 23 to rotate, so that the worm 23 meshes with and drives the worm gear 25 to rotate. The rotating pipe 24 inside the worm gear 25 can drive the adjusting screw 17 through the nut, and under the action of the second limiting protrusion on the inner wall of the limiting pipe 26 limiting the limiting through hole 18, the adjusting screw 17 drives the infusion pipe 19 to move upward and extend into the upper part of the lower die 4, and the angle of the infusion pipe 19 can be adjusted under the action of the connecting bearing 16. The input lubricating oil is sprayed into the mold cavity of the lower die 4 through the atomizing nozzle 20, which can increase the lubrication degree of the mold cavity.

[0032] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A die for forging a valve body, comprising an upper mounting plate (1), a lower mounting plate (2), an upper die (3), and a lower die (4), characterized in that: The lower mold (4) is arranged on the top of the lower mounting plate (2), the bottom side of the upper mounting plate (1) is fixedly connected to the upper mold (3), the bottom side of the upper mold (3) is fitted and fixed to the lower mold (4), and a guide component (5) is provided on the top edge of the upper mounting plate (1).

2. A valve body forging die according to claim 1, characterized in that: The guide assembly (5) comprises a guide rod (6) and an operating rod (7); the guide rod (6) is respectively arranged at four corners of the top of the lower mounting plate (2); and the operating rod (7) is symmetrically arranged between the front and rear guide rods (6).

3. A valve body forging die according to claim 2, characterized in that: The top front side of the upper mounting plate (1) is provided with guide holes at equal distances therethrough, and the inner walls of the guide holes at the four corners are symmetrically provided with first limiting protrusions, and limiting grooves (8) are excavated on both sides of the outer wall of the guide rod (6), the limiting grooves (8) penetrate the top of the guide rod (6), the guide rods (6) are respectively sleeved inside the guide holes, and the limiting grooves (8) are respectively slidably engaged with the first limiting protrusions.

4. A valve body forging die according to claim 3, characterized in that: A connecting pipe (9) is provided through the top of the operating rod (7); the upper part of the wall cavity of the operating rod (7) is a hollow structure; an arc-shaped opening (10) is dug above the front side of the operating rod (7); a first servo motor (11) is provided below the wall cavity of the operating rod (7); and an output shaft of the first servo motor (11) is fixedly connected to an inner hexagonal tube (12).

5. A valve body forging die according to claim 4, characterized in that: The inner hexagonal tube (12) is movably arranged above the wall cavity of the operating rod (7), and an air supply pipe (13) is movably engaged inside the inner hexagonal tube (12), a blowing hole (14) is provided through the inside of the air supply pipe (13), and the top end of the air supply pipe (13) is connected to the bottom end of the connecting pipe (9) through a bearing.

6. A valve body forging die according to claim 5, characterized in that: An operation box (15) is provided in the middle of the guide rod (6) on the right side of the rear part. The operation box (15) is provided with connecting bearings (16) on the upper and lower sides respectively, and is connected to the middle of the guide rod (6) through the connecting bearings (16). An adjusting screw (17) is provided through the inside of the operation box (15). A limit opening (18) is dug on the outer wall of the adjusting screw (17). An infusion tube (19) is fixed through the inside of the adjusting screw (17).

7. A valve body forging die according to claim 6, characterized in that: Atomizing nozzles (20) are equidistantly arranged outside the infusion tube (19), and the atomizing nozzles (20) are located at the rear side of the limit opening (18). A second servo motor (21) is fixedly connected to one side of the inner cavity of the operation box (15), and a storage battery (22) is arranged on the right side of the second servo motor (21), and the storage battery (22) is electrically connected to the second servo motor (21) through a wire.

8. A valve body forging die according to claim 7, characterized in that: The output shaft of the second servo motor (21) is fixedly connected to a worm (23); a rotating tube (24) is provided in the middle of the inner cavity of the operation box (15) through a bearing; a worm wheel (25) is sleeved and fixed on the outer wall of the rotating tube (24); the worm wheel (25) is matched and meshed with the worm (23); a nut is connected to the inside of the rotating tube (24) through a ball bearing, and the nut is matched and threadedly connected to the adjusting screw (17); a limiting tube (26) is fixedly connected to the outside of the operation box (15); the limiting tube (26) is connected to the inside of the rotating tube (24); a second limiting protrusion is provided on the inner wall of the limiting tube (26), and the second limiting protrusion is slidably engaged with the inner wall of the limiting opening (18).

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