Anti-deviation forging die for valve body
By introducing an anti-deviation limiting top plate and a multi-functional forging die structure into the forging die, the problems of die deviation and forging deviation are solved, achieving high precision and stability in valve forging and extending the service life of the valve.
Patent Information
- Application Number
- CN202423312373.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing valve forging dies have a short lifespan when used under high pressure, the die core is prone to displacement leading to unstable product quality, and the die and valve forging are prone to rotation and displacement during the forging process.
A structure including an anti-offset limiting top plate and a multi-functional forging die was designed. The anti-offset limiting top plate and the multi-functional forging die body ensure stable positioning of the die core and avoid offset. The forging process is completed in one go using a rough forging die core and a fine forging die core.
This improves the precision and stability of valve forging, reduces the relative displacement between the die and the valve forging, and ensures the consistency of product quality and service life.
Smart Images
Figure CN223733755U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the related technical field of forging die, concretely relates to a valve body anti -migration forging die. BACKGROUND
[0002] The valve body is the core component of the oil and gas fracturing plunger pump, due to the harsh working condition of the valve body, long-term high pressure alternating load and high-speed fluid scouring, so that the valve body service time is shorter, the service life of the current valve body is 12-30 hours when used under 70MP and above pressure, the main reason for the short service life of the valve body is that the valve body support conical surface and the valve seat conical surface frequently collide and wear, resulting in metal spalling, wear pit and other phenomena on the valve body support conical surface, eventually leading to sealing failure and unable to continue to use, the preparation of the whole valve body usually adopts the press forging process, it is difficult to form once beating during forging processing, and it needs to be beaten repeatedly, during the forging process, the valve body forging will be displaced with the rising of the forging hammer during the completion of the first beating, therefore, the quality of the valve body forging formed by one-time forging processing is unstable. In addition, the existing valve body forging die is provided with a circular structure of the main body of the die core, and the die core and the die main body are easily rotated during assembly, which leads to the rotation and migration of the valve body during the forging process, and affects the product quality.
[0003] Therefore, the utility model is provided. UTILITY MODEL CONTENT
[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a valve body anti-migration forging die.
[0005] The utility model provides a valve body anti -migration forging die, including cake pressing station platform and forging die main part, the upper portion of forging die main part is equipped with the installation slot, the installation slot is equipped with two, two installation slots are equipped with rough forging mould core and finish forging mould core respectively, the upper end of rough forging mould core and finish forging mould core all is equipped with anti -migration limiting roof, anti -migration limiting roof is square structure, the four corner positions of anti -migration limiting roof correspond and be equipped with fixed counterbore, the position of forging die main part with fixed counterbore corresponds and is equipped with fixed cooperation hole, fixed cooperation hole is the threaded hole, the fixed counterbore with fixed cooperation hole corresponds and is installed fixed screw, fixed screw selects internal hexagon countersunk head screw, the one side of forging die main part is located rough forging mould core is equipped with the placing table of fixed setting of cake pressing station platform, the placing table is round table structure, the four corner positions of cake pressing station platform all are equipped with arc concave surface, form fixed table between arc concave surface and the bottom of cake pressing station platform, the fixed table and hole are processed, the fixed installation of cake pressing station platform is used.
[0006] As a further scheme of the utility model: the cake pressing station platform and the forging die main part are fixedly installed on the workbench of the forging equipment, the side edge of the forging die main part is fixedly provided with a fixing lug, a fixing hole is formed in the fixing lug for cooperating with a T-shaped bolt to realize the fixed installation of the forging die main part.
[0007] As a further scheme of the utility model: the bottom surfaces of the cake pressing station platform and the forging die main part are correspondingly provided with key grooves, the specifications of the key grooves are adapted to the specifications of the matching grooves on the workbench of the forging equipment, and the stability of the fixed structure between the cake pressing station platform, the forging die main part and the workbench is enhanced.
[0008] As a further scheme of the utility model: the upper portions of the cake pressing station platform and the forging die main part are provided with a lifting platform, a hydraulic forging rod is arranged below the lifting platform, and a forging hammer is arranged at the lower end of the hydraulic forging rod for forging processing.
[0009] As a further scheme of the utility model: a forging hammer is arranged above the placing table, above the rough forging mould core and above the finish forging mould core, the forging hammer corresponds to the center of the corresponding placing table, rough forging mould core and finish forging mould core, and the forging processing requirements are ensured.
[0010] As a further scheme of the utility model: guide seats are fixedly arranged on the two sides of the lifting platform, guide holes are arranged in the guide seats, guide rods are arranged in the guide holes, and the stability of the lifting platform during lifting movement is ensured.
[0011] As a further scheme of the utility model: the shape specification of the installation groove is adapted to the shape specification of the rough forging die core and the fine forging die core, and the stability of the installation and positioning of the rough forging die core and the fine forging die core is ensured.
[0012] Compared with the prior art, the utility model has the following beneficial effects after the above technical scheme is adopted.
[0013] The rough forging die core and the fine forging die core are matched and arranged on the forging die body, the side of the forging die body is provided with a cake pressing station table, the bar in the heating state is first subjected to cake pressing processing through the cake pressing station table, the cake-shaped blank clamped and placed at the rough forging die core position is subjected to rough forging processing, and the clamped and placed fine forging die core is subjected to fine forging processing, and the cake pressing processing, the rough forging processing and the fine forging processing are one-time forging processing, so that relative displacement of the product and the die is avoided in the repeated forging and beating process.
[0014] The upper portions of the rough forging die core and the fine forging die core are provided with anti-deviation limiting top plates, the anti-deviation limiting top plates are square structures, can be effectively positioned and limited in cooperation with the installation groove, the deflection of the die core in the forging processing is avoided, and the forging processing precision of the valve body product is ensured.
[0015] The specific embodiments of the utility model will be further described in detail in combination with the drawings. DRAWINGS
[0016] The drawings are part of the application, which is used to provide further understanding of the utility model, the schematic embodiments of the utility model and the description thereof are used to explain the utility model, but do not constitute improper limitation on the utility model. Obviously, the drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings:
[0017] Fig. 1 It is a structural schematic view of the utility model;
[0018] Fig. 2 It is a front view of the utility model;
[0019] Fig. 3 It is a top view of the forging die body of the utility model;
[0020] Fig. 4 It is a sectional view of the forging die of the utility model.
[0021] In the figure: 1, cake pressing station table; 2, forging die main body; 3, keyway; 4, arc concave surface; 5, fixed table; 6, fixed lug; 7, rough forging die core; 8, fine forging die core; 9, mounting groove; 10, fixed hole; 11, lifting table; 12, guide seat; 13, guide hole; 14, hydraulic forging rod; 15, forging hammer; 16, placing table; 17, anti-deviation limiting top plate; 18, fixed counterbore; 19, fixed screw; 20, fixed fitting hole.
[0022] It should be noted that these drawings and written descriptions are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.
[0024] As shown in Figs. 1 to 4 A valve body anti-deviation forging die includes a cake pressing station table 1 and a forging die main body 2. The upper part of the forging die main body 2 is provided with two mounting grooves 9. The two mounting grooves 9 are respectively provided with a rough forging die core 7 and a fine forging die core 8. The upper ends of the rough forging die core 7 and the fine forging die core 8 are respectively provided with an anti-deviation limiting top plate 17. The anti-deviation limiting top plate 17 is a square structure. The four corners of the anti-deviation limiting top plate 17 are respectively provided with a fixed counterbore 18. The forging die main body 2 is respectively provided with a fixed fitting hole 20 at a position corresponding to the fixed counterbore 18. The fixed fitting hole 20 is a threaded hole. The fixed counterbore 18 and the fixed fitting hole 20 are respectively provided with a fixed screw 19. The fixed screw 19 is selected from an internal hexagonal countersunk head screw. The forging die main body 2 is located on one side of the rough forging die core 7. The cake pressing station table 1 is fixedly provided with a placing table 16. The placing table 16 is a circular table structure. The four corners of the cake pressing station table 1 are respectively provided with an arc concave surface 4. The arc concave surface 4 and the bottom of the cake pressing station table 1 form a fixed table 5. The fixed table 5 is provided with a through hole. The fixed table 5 and the through hole are used for fixedly mounting the cake pressing station table 1.
[0025] The cake pressing station table 1 and the forging die main body 2 are fixedly mounted on the workbench of a forging equipment. The side edge of the forging die main body 2 is fixedly provided with a fixed lug 6. The fixed lug 6 is provided with a fixed hole 10. The fixed hole 10 is used for cooperating with a T-shaped bolt to fixedly mount the forging die main body 2.
[0026] The bottom surface of the cake pressing station table 1 and the forging die body 2 is correspondingly provided with a key groove 3, the specification of the key groove 3 is matched with the specification of the matched groove on the working table of the forging equipment, and the stability of the fixing structure between the cake pressing station table 1, the forging die body 2 and the working table is enhanced.
[0027] The upper part of the cake pressing station table 1 and the forging die body 2 is provided with a lifting table 11, the lower part of the lifting table 11 is provided with a hydraulic forging rod 14, the lower end of the hydraulic forging rod 14 is provided with a forging hammer 15, and the forging hammer 15 is used for forging processing.
[0028] The upper part of the placing table 16, the upper part of the rough forging die core 7 and the upper part of the fine forging die core 8 are correspondingly provided with the forging hammer 15, the forging hammer 15 is matched with the center of the corresponding placing table 16, the rough forging die core 7 and the fine forging die core 8, and the forging processing requirement is ensured.
[0029] The two sides of the lifting table 11 are fixedly provided with guide seats 12, the guide seats 12 are provided with guide holes 13, guide rods are arranged in the guide holes 13, and the stability of the lifting table 11 during lifting movement is ensured.
[0030] The shape specification of the mounting groove 9 is matched with the shape specification of the rough forging die core 7 and the fine forging die core 8, and the stability of the mounting and positioning of the rough forging die core 7 and the fine forging die core 8 is ensured.
[0031] The working principle of the utility model is as follows: the cake pressing station table 1 and the forging die body 2 are fixedly installed on the working table of the forging equipment, the basic structure and components of the forging equipment are prior art, and are not shown in the drawings, the lifting table 11 can be adjusted under the action of the hydraulic system, and the forging processing of the blank is realized;
[0032] Firstly, the round steel bar used for processing the valve body product is cut into a certain length specification, forging heating treatment is carried out, when the forging processing state is reached, the bar is placed on the placing table 16 at the position close to the middle, the lifting table 11 drives the corresponding forging hammer 15 to carry out forging and pressing treatment on the bar under the action of the hydraulic system, the bar is forged and pressed into a cake, the cake is clamped and placed at the rough forging die core 7, and then second forging and pressing treatment is carried out, the cake becomes the rough forging blank consistent with the inner cavity of the rough forging die core 7, the rough forging blank is clamped and placed at the fine forging die core 8, and then third forging and pressing treatment is carried out, the cake becomes the fine forging blank consistent with the inner cavity of the fine forging die core 8, and the forging processing of the valve body is completed, according to actual production needs, a plurality of forging die cores can be arranged on the forging die body 2, for example, a half-fine forging process can be arranged;
[0033] One forging equipment completes the forging processing of the valve body product in the whole process, the working position turnover time is short, the heat exchange time of the product with the external environment is reduced, and the product quality is ensured;
[0034] The forging die body 2 is provided with a cake pressing station table 1 at the side, the bar in the heating state is firstly subjected to cake pressing processing through the cake pressing station table 1, the cake-shaped blank pressed by forging is clamped and placed at the position of the rough forging die core 7, rough forging processing is carried out, the clamped and placed rough forging die core 7 is subjected to fine forging processing after rough forging processing, the cake pressing processing, the rough forging processing and the fine forging processing are one-time forging processing, relative displacement of products and the die is avoided in the repeated forging and beating process; the upper parts of the rough forging die core 7 and the fine forging die core 8 are provided with anti-deviation limiting top plates 17, the anti-deviation limiting top plates 17 are square structures, effective positioning and limiting can be carried out in cooperation with the mounting grooves 9, the situation that the die core is deviated in the forging processing is avoided, and the forging processing precision of the valve body product is ensured.
[0035] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed the above preferred embodiment, however, it is not used to limit the utility model, any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical scheme of the utility model, and equivalent embodiments of equivalent changes are obtained, but any simple modification, equivalent change and modification of the above-mentioned embodiments according to the technical essence of the utility model are still within the scope of the utility model.
Claims
1. A valve body anti-eccentric forging die comprising a press cake station table (1), a mounting groove (9) and a forging die main body (2), characterized in that, Two mounting grooves (9) are arranged, a rough forging mold core (7) and a fine forging mold core (8) are respectively arranged in the two mounting grooves (9), the upper ends of the rough forging mold core (7) and the fine forging mold core (8) are respectively provided with an anti-offset limiting top plate (17), the anti-offset limiting top plate (17) is a square structure, a fixing counterbore (18) is arranged at the four corner positions of the anti-offset limiting top plate (17), a fixing fitting hole (20) is arranged at the position corresponding to the fixing counterbore (18) on the forging die body (2), the fixing fitting hole (20) is a threaded hole, a fixing screw (19) is arranged in the fixing counterbore (18) and the fixing fitting hole (20), the fixing screw (19) is a hexagonal socket head screw, the forging die body (2) is located on one side of the forging die body (2) where the rough forging mold core (7) is arranged, a placing table (16) is fixedly arranged on the cake pressing station table (1), the placing table (16) is a circular table structure, arc-shaped concaves (4) are arranged at the four corner positions of the cake pressing station table (1), and a fixing table (5) is formed between the arc-shaped concaves (4) and the bottom of the cake pressing station table (1).
2. A valve body anti-eccentric forging die according to claim 1, characterized in that, The cake pressing station table (1) and the forging die body (2) are both fixedly installed on the workbench of a forging equipment, and a fixing lug (6) is fixedly arranged on the side edge of the forging die body (2).
3. A valve body anti-eccentric forging die according to claim 2, wherein A key groove (3) is arranged on the bottom surface of the cake pressing station table (1) and the forging die body (2), and the specification of the key groove (3) is matched with the specification of the matching groove on the workbench of the forging equipment.
4. A valve body anti-eccentric forging die according to claim 3, wherein A lifting table (11) is arranged above the cake pressing station table (1) and the forging die body (2), a hydraulic forging rod (14) is arranged below the lifting table (11), and a forging hammer (15) is arranged at the lower end of the hydraulic forging rod (14).
5. A valve body anti-eccentric forging die according to claim 4, wherein A forging hammer (15) is arranged above the placing table (16), above the rough forging mold core (7) and above the fine forging mold core (8), and the center of the forging hammer (15) corresponds to the centers of the placing table (16), the rough forging mold core (7) and the fine forging mold core (8).
6. A valve body anti-eccentric forging die according to claim 5, wherein Guide seats (12) are fixedly arranged on the two sides of the lifting table (11), guide holes (13) are arranged in the guide seats (12), and guide rods are arranged in the guide holes (13).
7. A valve body anti-eccentric forging die according to claim 6, wherein The shape specification of the mounting groove (9) is matched with the shape specification of the rough forging mold core (7) and the fine forging mold core (8).