Die forging forming die of valve forge piece for petroleum and petrochemical equipment

Abstract

The utility model discloses a die forging forming die for valve forgings for petroleum and petrochemical equipment, which relates to the technical field of die forging dies and comprises a frame, four support columns are fixedly arranged in the frame, a fixing seat is fixedly arranged in the middle of each support column, and a lower die holder, a middle die holder and an upper die holder are sequentially arranged above the fixing seat. The machine frame is arranged, the fixing base is arranged in the machine frame, the lower die base, the middle die base and the upper die base are arranged above the fixing base, the fixing base, the lower die base, the middle die base and the upper die base form a die structure, a product can be formed in the die structure, and after the product is formed, the fixing base, the lower die base, the middle die base and the upper die base can be sequentially separated. Therefore, the product can be taken down conveniently after being formed.

Description

Technical Field

[0001] The utility model relates to the technical field of die forging dies, in particular to a die forging forming die for valve forgings used in petroleum and petrochemical equipment. Background Art

[0002] Chemical valves are an important accessory for controlling the flow of media on chemical pipelines. For detailed principles and structural cross-sectional views, please refer to relevant reference books. The valve consists of three major parts: valve body, opening and closing mechanism, and valve cover. Chemical valves are commonly used components on petroleum and petrochemical equipment. The various components of the valve are generally formed by die forging. In the prior art, die forging dies are generally used to process valve forgings. However, it is inconvenient to remove the valve components from the die after die forging, which has a certain impact on the processing efficiency of the product.

[0003] A convenient die forging mold with publication number CN210789072U relates to the technical field of die forging production equipment, and aims to solve the technical problem that the guide column and the lower die cannot be disassembled. The key points of its technical solution are that the top wall of the lower die is provided with a plurality of guide columns, the bottom wall of the upper die is provided with a plurality of guide holes for the top ends of the corresponding guide columns to be adapted and inserted, the top wall of the lower die is provided with a plurality of slide grooves, the plurality of slide grooves correspond to and are connected with the plurality of mounting holes, the plurality of slide grooves are adapted and inserted with sliding blocks, the plurality of slide blocks are all T-shaped blocks, and the side walls of the plurality of guide columns are provided with sockets for the ends of the corresponding slide blocks to be adapted and inserted; the guide column and the lower die are detachable, which is convenient for replacing the guide column separately after the guide column is deformed, thereby extending the service life of the mold and having the advantage of higher economic benefits.

[0004] The above technical solution is difficult to solve the problem of inconvenient material cutting after product molding in practical application, which is not conducive to efficient production of products.

[0005] Therefore, it is necessary to invent a die forging forming die for valve forgings for petroleum and petrochemical equipment to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a die forging forming die for valve forgings used in petroleum and petrochemical equipment to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a die forging forming die for valve forgings for petroleum and petrochemical equipment, comprising a frame, four support columns are fixedly arranged inside the frame, a fixed seat is fixedly arranged in the middle of the support columns, a lower die seat, a middle die seat and an upper die seat are arranged in sequence above the fixed seat, a lower die cavity is penetrated in the middle of the lower die seat, a middle die cavity is penetrated in the middle of the middle die seat, an upper die cavity is opened in the middle of the lower surface of the upper die seat, a groove is opened in the middle of the upper surface of the fixed seat, a movable block is arranged inside the groove, a movable tube is fixedly arranged in the middle of the bottom end of the movable block, and the movable tube is penetrated in the through hole opened in the middle of the fixed seat, a limiting ring is fixedly arranged at the bottom end of the movable tube, and a reset spring is arranged between the upper surface of the limiting ring and the lower surface of the fixed seat, and a plurality of air holes are arranged around the outer wall of the movable block, and one end of the air hole extends to the inside of the movable tube.

[0008] Preferably, an air intake pipe is fixedly provided at the bottom end of the movable tube, and the air intake pipe is arranged below the fixing seat.

[0009] Preferably, sliding holes are provided through the four corners of the lower die seat, and the sliding holes are adapted to the support columns.

[0010] Preferably, slide grooves are provided at the four corners of the middle mold base, and circular grooves are provided at the four corners of the upper mold base, and the slide grooves and circular grooves correspond to the support columns.

[0011] Preferably, an extension groove is formed at one end of the sliding groove and the circular groove that are close to each other, and a top spring is arranged inside the extension groove.

[0012] Preferably, positioning plates are fixedly provided on the top ends of both sides of the upper mold base, positioning blocks are provided below the positioning plates, and the positioning blocks are fixedly provided on the upper surface of the fixed base, and a hydraulic rod is provided between the upper surface of the positioning plate and the top end of the inner wall of the frame.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model sets a frame, a fixed seat is set inside the frame, a lower die seat, a middle die seat and an upper die seat are set above the fixed seat, and the fixed seat, the lower die seat, the middle die seat and the upper die seat form a mold structure, and the product can be molded inside it. After the product is molded, the fixed seat, the lower die seat, the middle die seat and the upper die seat can be separated in sequence to facilitate demoulding of the product, thereby facilitating the removal of the product after molding;

[0015] 2. The utility model provides a fixed seat, a groove is provided in the middle of the upper surface of the fixed seat, and a movable block is provided inside the groove. During the molding process of the product, the movable block can be pressed into the groove to ensure the molding quality of the product. When the product is demolded, the movable block can be pushed upward to assist in demolding. At the same time, a plurality of air holes are provided on the outside of the movable block, and compressed air can be discharged through the air holes to improve the demolding efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the structure of the movable block of the utility model.

[0019] Figure 4 It is a schematic diagram of the structure of the lower die base of the utility model.

[0020] Figure 5 It is a schematic structural diagram of the middle die base and the upper die base of the utility model.

[0021] In the figure: 1. frame; 2. support column; 3. fixed seat; 4. lower die seat; 5. middle die seat; 6. upper die seat; 7. lower die cavity; 8. middle die cavity; 9. upper die cavity; 10. groove; 11. movable block; 12. movable tube; 13. limit ring; 14. return spring; 15. air hole; 16. air inlet pipe; 17. sliding hole; 18. sliding groove; 19. circular groove; 20. extension groove; 21. top spring; 22. positioning plate; 23. positioning block; 24. hydraulic rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figure 1-5The die forging forming die of a valve forging for petroleum and petrochemical equipment shown in the figure comprises a frame 1, four support columns 2 are fixedly arranged inside the frame 1, a fixed seat 3 is fixedly arranged in the middle of the support column 2, a lower die seat 4, a middle die seat 5 and an upper die seat 6 are arranged in sequence above the fixed seat 3, a lower die cavity 7 is penetrated in the middle of the lower die seat 4, a middle die cavity 8 is penetrated in the middle of the middle die seat 5, an upper die cavity 9 is opened in the middle of the lower surface of the upper die seat 6, a groove 10 is opened in the middle of the upper surface of the fixed seat 3, and a movable block 1 is arranged inside the groove 10 1. A movable tube 12 is fixedly arranged at the middle of the bottom end of the movable block 11, and the movable tube 12 is arranged through a through hole opened in the middle of the fixed seat 3. A limit ring 13 is fixedly arranged at the bottom end of the movable tube 12, and a return spring 14 is arranged between the upper surface of the limit ring 13 and the lower surface of the fixed seat 3. A plurality of air holes 15 are arranged around the outer wall of the movable block 11, and one end of the air hole 15 extends to the inside of the movable tube 12. The compressed air ejected from the air hole 15 can move between the product and the lower mold cavity 7 to assist demoulding;

[0024] Specifically, an air inlet pipe 16 is fixedly provided at the bottom end of the movable tube 12, and the air inlet pipe 16 is arranged below the fixed seat 3. Slide holes 17 are provided at the four corners of the lower die seat 4, and the slide holes 17 are adapted to the support column 2. Slide grooves 18 are provided at the four corners of the middle die seat 5, and circular grooves 19 are provided at the four corners of the upper die seat 6. The slide grooves 18 and the circular grooves 19 correspond to the support column 2. An extension groove 20 is provided at one end of the slide groove 18 and the circular groove 19 close to each other, and a top spring 21 is provided inside the extension groove 20. The setting of the top spring 21 generates a reverse force between the middle die seat 5 and the upper die seat 6 to ensure that after the middle die seat 5 is pressed tightly on the lower die seat 4, the upper die seat 6 is pressed down again. At this time, the middle die seat 5 can play a role in positioning the product.

[0025] More specifically, positioning plates 22 are fixedly provided on the top ends of both sides of the upper mold base 6, positioning blocks 23 are provided below the positioning plates 22, and the positioning blocks 23 are fixedly provided on the upper surface of the fixed base 3, and a hydraulic rod 24 is provided between the upper surface of the positioning plate 22 and the top end of the inner wall of the frame 1, and the hydraulic rod 24 is used to drive the upper mold base 7.

[0026] Working principle of this utility model:

[0027] When the device is in use, the valve forging blank is placed above the lower die seat 4, and the bottom of the blank is ensured to be inserted into the lower die cavity 7, and then the upper die seat 6 is driven downward by the hydraulic rod 24, and the upper die seat 6 drives the middle die seat 5 to move downward until the upper die seat 6, the middle die seat 5 and the lower die seat 4 are combined, and the product is formed in the upper die cavity 9, the middle die cavity 8 and the lower die cavity 7;

[0028] After the product is formed, the hydraulic rod 24 drives the upper die seat 6 to move upward. At this time, the upper die seat 6, the middle die seat 5 and the lower die seat 4 are separated in sequence. At this time, the product is separated from the upper die seat 6 and the middle die seat 5. At the same time, the movable block 11 moves upward under the action of the return spring 14 and the movable tube 12 to lift the product upward. At the same time, the air inlet pipe 16 is injected with compressed air through the air pump. The compressed air is discharged after passing through the air inlet pipe 16, the movable tube 12 and the air hole 15. The compressed air enters between the lower mold cavity 7 and the product to assist in demolding.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A die forging die for valve forgings for petroleum and petrochemical equipment, comprising a frame (1), characterized in that: Four support columns (2) are fixedly arranged inside the frame (1); a fixed seat (3) is fixedly arranged in the middle of the support column (2); a lower die seat (4), a middle die seat (5) and an upper die seat (6) are arranged in sequence above the fixed seat (3); a lower die cavity (7) is penetrated in the middle of the lower die seat (4); a middle die cavity (8) is penetrated in the middle of the middle die seat (5); an upper die cavity (9) is provided in the middle of the lower surface of the upper die seat (6); a groove (10) is provided in the middle of the upper surface of the fixed seat (3); and the groove (11) is provided in the middle of the upper surface of the fixed seat (3). 0) is provided with a movable block (11) inside, a movable tube (12) is fixedly provided at the middle of the bottom end of the movable block (11), and the movable tube (12) is penetrated in a through hole opened in the middle of the fixed seat (3), a limit ring (13) is fixedly provided at the bottom end of the movable tube (12), and a return spring (14) is provided between the upper surface of the limit ring (13) and the lower surface of the fixed seat (3), and a plurality of air holes (15) are arranged around the outer wall of the movable block (11), and one end of the air hole (15) extends to the inside of the movable tube (12).

2. The die forging die for a valve forging for petroleum and petrochemical equipment according to claim 1, characterized in that: An air intake pipe (16) is fixedly arranged at the bottom end of the movable pipe (12), and the air intake pipe (16) is arranged below the fixing seat (3).

3. The die forging die for a valve forging for petroleum and petrochemical equipment according to claim 2, characterized in that: Sliding holes (17) are provided through the four corners of the lower die seat (4), and the sliding holes (17) are adapted to the supporting columns (2).

4. The die forging die for a valve forging for petroleum and petrochemical equipment according to claim 3, characterized in that: The four corners of the middle die seat (5) are all provided with sliding grooves (18), and the four corners of the upper die seat (6) are all provided with circular grooves (19), and the sliding grooves (18) and the circular grooves (19) correspond to the support columns (2).

5. The die forging die for a valve forging for petroleum and petrochemical equipment according to claim 4, characterized in that: An extension groove (20) is provided at one end of the sliding groove (18) and the circular groove (19) which are close to each other, and a top spring (21) is arranged inside the extension groove (20).

6. The die forging die for a valve forging for petroleum and petrochemical equipment according to claim 5, characterized in that: Positioning plates (22) are fixedly provided at the top ends of both sides of the upper die seat (6), a positioning block (23) is provided below the positioning plate (22), and the positioning block (23) is fixedly provided on the upper surface of the fixed seat (3), and a hydraulic rod (24) is provided between the upper surface of the positioning plate (22) and the top end of the inner side wall of the frame (1).

Images