Heat treatment tool for 33NiCrMoV14-5 high alloy steel forgings

By combining the design of the connecting frame, positioning frame and transmission structure, the problem of the single fixing method of the heat treatment tooling for high alloy steel forgings is solved, realizing efficient and stable fixing of forgings and flexible adjustment, thereby improving work efficiency and tooling reliability.

CN223879786UActive Publication Date: 2026-02-06JIANGYIN LONGYU FORGING&PRESSING CO LTD
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Patent Information

Application Number
CN202520294183.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-02-06
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

The existing high-alloy steel forging heat treatment fixtures have a single fixing method, which mainly relies on the extrusion adjustment from both sides, resulting in weak extrusion strength and time-consuming and labor-intensive adjustment.

Method used

The design employs a combination of connecting frames, positioning frames, and transmission structures. Multiple positioning frames can swing synchronously through components such as transmission plates, linkage plates, slide rods, and sleeve plates. Combined with the threaded connection between the screw and the transmission plate and the torsion block drive, the adjustment process is simplified and the fixing effect is improved.

Benefits of technology

It achieves efficient and stable fixing of forgings, simplifies the adjustment process, improves work efficiency, enhances the reliability and flexibility of tooling, and adapts to forgings of different specifications and shapes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a heat treatment tool of 33NiCrMoV14-5 high alloy steel forgings, which comprises a connecting frame, the back of the connecting frame is fixedly connected with a connecting plate, the two sides of the top of the connecting plate are movably connected with positioning frames through pin shafts, and the positioning frames are located at the top of the connecting frame, can swing in opposite directions and extrude and fix the forgings. And a transmission structure is arranged on the back face of the connecting frame, the transmission structure can push the multiple positioning frames to swing at the same time, the transmission structure comprises a transmission plate arranged at the bottom of the connecting frame, a plurality of linkage plates are fixedly connected to the top of the transmission plate, and sliding rods are fixedly connected to the tops of the linkage plates. Through the combination of the connecting frame, the connecting plate, the positioning frame and the transmission structure, the forge piece is efficiently and stably fixed, meanwhile, the adjusting process is simplified, the working efficiency is improved, and the problems that an existing tool is single in forge piece fixing mode, low in extrusion strength and time-consuming and labor-consuming in adjustment are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to high alloy steel forging production technical field especially relates to a kind of 33NiCrMoV14-5 high alloy steel forging heat treatment frock. BACKGROUND

[0002] High alloy steel forging is a kind of component made of metal material with excellent mechanical properties and corrosion resistance, and high alloy steel forging is mainly composed of iron and various alloying elements, which usually include chromium, nickel, molybdenum, tungsten, aluminum, titanium and the like, and the type and content of alloying elements determine the specific performance of high alloy steel forging.

[0003] In the prior art, Chinese patent CN202411217525.0 discloses a frock for heat treatment of round pie-shaped alloy steel forgings and a method for using the frock. The frock comprises a support frame, an adjusting assembly and a placing assembly. The support frame cooperates with the placing assembly to support the round pie-shaped alloy steel forgings in different ways, thereby placing the round pie-shaped alloy steel forgings with different end face shapes. The adjusting pieces inside the placing assembly can be controlled and adjusted by the adjusting assembly. Without the need to replace different size clamps, the round pie-shaped alloy steel forgings with different diameters can be placed, clamped and fixed. The adjusting process does not require frock cooling, and the operation is convenient. The applicability is greatly improved, and the processing efficiency is also greatly improved. The upper clamping plate can also assist in fixing the upper end face of the round pie-shaped alloy steel forgings, and can be extended up and down with the base, thereby improving the applicability.

[0004] However, the existing heat treatment frock has a single way of fixing forgings, mainly by adjusting the way of extruding from both sides. However, the way of manually pushing the frock from both sides can weaken the extrusion strength of the frock, and multiple frocks need to be adjusted independently, which is time-consuming and labor-intensive.

[0005] Therefore, we improve it and propose a heat treatment frock for 33NiCrMoV14-5 high alloy steel forgings. SUMMARY

[0006] The utility model discloses a kind of heat treatment frocks for 33NiCrMoV14-5 high alloy steel forgings, with the advantages of improving frock fixing effect, solve the way of fixing forgings of existing heat treatment frock is single, mainly by adjusting the way of extruding from both sides. However, the way of manually pushing the frock from both sides can weaken the extrusion strength of the frock, and multiple frocks need to be adjusted independently, which is time-consuming and labor-intensive.

[0007] The utility model discloses a kind of heat treatment frocks for 33NiCrMoV14-5 high alloy steel forgings, with the advantages of improving frock fixing effect, solve the way of fixing forgings of existing heat treatment frock is single, mainly by adjusting the way of extruding from both sides. However, the way of manually pushing the frock from both sides can weaken the extrusion strength of the frock, and multiple frocks need to be adjusted independently, which is time-consuming and labor-intensive.

[0008] A kind of 33NiCrMoV14-5 high alloy steel forging heat treatment tooling, including connecting frame;

[0009] The back of the connecting frame is fixedly connected with a connecting plate, and the top of the connecting plate is movably connected with a positioning frame on both sides through a pin shaft, and the positioning frame is located on the top of the connecting frame and can swing towards each other and extrude and fix the forging, and the back of the connecting frame is provided with a transmission structure, which can push multiple positioning frames to swing simultaneously;

[0010] The transmission structure includes a transmission plate arranged at the bottom of the connecting frame, and a plurality of linkage plates are fixedly connected to the top of the transmission plate, and a slide rod is fixedly connected to the top of the linkage plate, and a sleeve plate is fixedly connected to one side of the positioning frame close to the connecting plate, and the side of the slide rod away from the linkage plate extends into the inside of the sleeve plate and is slidably connected with the sleeve plate;

[0011] The front of the connecting frame is fixedly connected with a movable block on both sides, and the inner side of the movable block is movably connected with a pressing rod through a pin shaft, and the side of the pressing rod away from the movable block extends to the top of the connecting frame and can contact the forging placed on the top of the connecting frame.

[0012] Further, the bottom of the connecting frame is fixedly connected with a bracket, and the inside of the bracket is movably connected with a screw rod through a bearing, and the transmission plate is sleeved on the surface of the screw rod and is threadedly connected with the screw rod.

[0013] Further, the rear end of the screw rod penetrates through the bracket and extends to the back of the bracket, and the rear end of the screw rod is fixedly connected with a torsion block.

[0014] Further, the side of the pressing rod close to the movable block is fixedly connected with a stress plate, and the two sides of the transmission plate are fixedly connected with an extension plate, and the side of the extension plate away from the transmission plate penetrates through the connecting frame and extends to the front of the connecting frame, and the front end of the extension plate is fixedly connected with a push plate, and the push plate is located at the bottom of the stress plate and is slidably connected with the stress plate.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] The present application provides a kind of 33NiCrMoV14-5 high alloy steel forging heat treatment tooling, by the combination of connecting frame, connecting plate, positioning frame and transmission structure, the efficient, stable fixation of forging is realized, while the adjustment process is simplified, the working efficiency is improved, the single fixation mode of existing tooling, weak extrusion strength, time-consuming and labor-saving adjustment problem is solved.

[0017] The utility model discloses through the transmission board, linkage board, slide and the sleeve board etc. Component, make multiple positioning frame can swing simultaneously to realize the even extrusion fixation of forge piece, and the sliding connection of slide and sleeve board has guaranteed the stability and accuracy of positioning frame in the swing process, has improved the reliability and durability of tooling.

[0018] The utility model discloses through the combination of support, bearing and screw rod, realized the drive of transmission structure, and the threaded connection of screw rod and transmission board makes transmission board can move up and down along with the rotation of screw rod, further push linkage board and positioning frame swing, not only simplify the structure of tooling, still make the adjustment process more flexible and controllable.

[0019] The utility model discloses through the torsion block design of screw rod rear end, provides the convenient drive mode for operator, through rotating torsion block, can easily control the rotation of screw rod, further realizes the adjustment of transmission structure and positioning frame, not only has improved work efficiency, also reduced the operation difficulty and labor intensity.

[0020] The utility model discloses through increasing movable block, compression rod etc. Component in the front of connecting frame, provides the additional fixed mode for forge piece, and the compression rod can adaptively adjust along with the shape and size of forge piece, to ensure the stability and safety of forge piece in the heat treatment process, enhances the versatility and flexibility of tooling, makes it can adapt to different specifications and shape forge piece.

[0021] The utility model discloses through the design of stress plate, extension plate, push plate etc. Component, realized the linkage between transmission structure and compression rod, when transmission board moves up and down, push plate will slide along with and push stress plate and compression rod to move, to realize the further fixation of forge piece, not only has improved the fixed effect of tooling, also enhanced the integrity and coordination of tooling, simultaneously, the sliding connection of push plate and stress plate has also ensured the stability and accuracy of adjustment process. ACCURACY

[0022] Figure 1 It is the structure schematic diagram of the utility model;

[0023] Figure 2 It is the rear view structure schematic diagram of the utility model;

[0024] Figure 3 It is the overhead structure schematic diagram of the utility model;

[0025] Figure 4 It is Figure 1 The enlarged structure schematic diagram of A place in;

[0026] In the drawing:

[0027] 1. Connecting frame; 2. Connecting plate; 3. Positioning frame; 4. Transmission structure; 5. Transmission plate; 6. Linkage plate; 7. Slide rod; 8. Sleeve plate; 9. Bracket; 10. Screw; 11. Torsion block; 12. Movable block; 13. Pressure rod; 14. Force plate; 15. Extension plate; 16. Push plate. Detailed Implementation

[0028] To better understand the technical solution of this utility model, a detailed description will be provided below in conjunction with relevant illustrations. It should be understood that the specific embodiments described below are not intended to limit the specific implementation of the technical solution of this utility model, but are merely possible implementations of the technical solution of this utility model. It should be noted that the descriptions of the positional relationships of the components herein, such as component A being located above component B, are based on the relative positions of the components in the illustrations and are not intended to limit the actual positional relationships of the components. Example 1

[0029] See Figures 1-4 , Figure 1 A schematic diagram of a heat treatment fixture for a 33NiCrMoV14-5 high-alloy steel forging according to this utility model is shown. As shown in the figure, a heat treatment fixture for a 33NiCrMoV14-5 high-alloy steel forging includes a connecting frame 1;

[0030] A connecting plate 2 is fixedly connected to the back of the connecting frame 1. Positioning frames 3 are movably connected to both sides of the top of the connecting plate 2 via pins. The positioning frames 3 are located on the top of the connecting frame 1 and can swing towards each other to squeeze and fix the forging. A transmission structure 4 is provided on the back of the connecting frame 1. The transmission structure 4 can push multiple positioning frames 3 to swing simultaneously.

[0031] The transmission structure 4 includes a transmission plate 5 disposed at the bottom of the connecting frame 1. Several linkage plates 6 are fixedly connected to the top of the transmission plate 5. A slide rod 7 is fixedly connected to the top of the linkage plate 6. A sleeve plate 8 is fixedly connected to the side of the positioning frame 3 near the connecting plate 2. The side of the slide rod 7 away from the linkage plate 6 extends into the interior of the sleeve plate 8 and is slidably connected to the sleeve plate 8.

[0032] Through components such as transmission plate 5, linkage plate 6, slide rod 7 and sleeve plate 8, multiple positioning frames 3 can swing simultaneously, thereby achieving uniform extrusion and fixation of the forging. The sliding connection between slide rod 7 and sleeve plate 8 ensures the stability and accuracy of positioning frame 3 during the swing process, improving the reliability and durability of the tooling.

[0033] The bottom of the connecting frame 1 is fixedly connected to a bracket 9, and a screw 10 is movably connected inside the bracket 9 through a bearing. The transmission plate 5 is sleeved on the surface of the screw 10 and threadedly connected to the screw 10.

[0034] The driving of the transmission structure 4 is realized through the combination of the support 9, the bearing and the screw rod 10, the threaded connection of the screw rod 10 and the transmission plate 5 enables the transmission plate 5 to move up and down with the rotation of the screw rod 10, and then pushes the linkage plate 6 and the positioning frame 3 to swing, which not only simplifies the structure of the tooling, but also makes the adjustment process more flexible and controllable.

[0035] The rear end of the screw rod 10 penetrates through the support 9 and extends to the back of the support 9, and the rear end of the screw rod 10 is fixedly connected with a torsion block 11.

[0036] The design of the torsion block 11 at the rear end of the screw rod 10 provides a convenient driving method for the operator, which can easily control the rotation of the screw rod 10 by rotating the torsion block 11, and then realize the adjustment of the transmission structure 4 and the positioning frame 3, which not only improves the work efficiency, but also reduces the operation difficulty and labor intensity.

[0037] The front of the connecting frame 1 is fixedly connected with a movable block 12 on both sides, and the inner side of the movable block 12 is movably connected with a pressing rod 13 through a pin shaft, and the side away from the movable block 12 of the pressing rod 13 extends to the top of the connecting frame 1 and can contact the forge placed on the top of the connecting frame 1.

[0038] By increasing the movable block 12, the pressing rod 13 and other components on the front of the connecting frame 1, an additional fixing method is provided for the forge, and the pressing rod 13 can be adaptively adjusted according to the shape and size of the forge, so as to ensure the stability and safety of the forge during the heat treatment process, and enhance the versatility and flexibility of the tooling, so that it can adapt to different specifications and shapes of the forge.

[0039] The side close to the movable block 12 of the pressing rod 13 is fixedly connected with a stress plate 14, and the two sides of the transmission plate 5 are fixedly connected with an extension plate 15, and the side away from the transmission plate 5 of the extension plate 15 penetrates through the connecting frame 1 and extends to the front of the connecting frame 1, and the front end of the extension plate 15 is fixedly connected with a push plate 16, and the push plate 16 is located at the bottom of the stress plate 14 and is slidably connected with the stress plate 14.

[0040] Through the design of the stress plate 14, the extension plate 15 and the push plate 16, the linkage between the transmission structure 4 and the pressing rod 13 is realized, when the transmission plate 5 moves up and down, the push plate 16 will slide and push the stress plate 14 and the pressing rod 13 to move, so as to further fix the forge, which not only improves the fixing effect of the tooling, but also enhances the integrity and coordination of the tooling, and at the same time, the sliding connection between the push plate 16 and the stress plate 14 also ensures the stability and accuracy of the adjustment process.

[0041] Working principle:

[0042] The utility model provides a kind of 33NiCrMoV14-5 high alloy steel forge piece's heat treatment frock, frock is mainly composed of connecting frame 1, connecting plate 2, positioning frame 3, transmission structure 4 etc., when needing to fix forge piece, forge piece is placed in the top of connecting frame 1, positioning frame 3 is in open state at this time, forge piece can be easily placed, compression rod 13 is naturally drooping due to gravity, does not contact with forge piece, when multiple forge pieces are all installed, operator rotates the torsion block 11 of screw rod 10 rear end, makes screw rod 10 rotate in support 9, since transmission plate 5 is connected with screw rod 10 screw, with the rotation of screw rod 10, transmission plate 5 will move forward, when transmission plate 5 moves, through linkage plate 6 and slide rod 7 drive sleeve plate 8 and positioning frame 3 swing towards each other, positioning frame 3 gradually approaches and extrudes forge piece, until forge piece is firmly fixed, simultaneously, extension plate 15 and push plate 16 of transmission plate 5 both sides move with transmission plate 5, push plate 16 pushes force plate 14 and compression rod 13 and moves upwards, compression rod 13 finally contacts with forge piece, provides additional fixing force, after forge piece is firmly fixed, heat treatment operation can be started.

[0043] In conclusion, the 33NiCrMoV14-5 high alloy steel forge piece's heat treatment frock of the utility model, through the combination of connecting frame 1, connecting plate 2, positioning frame 3 and transmission structure 4, realizes the efficient, stable fixation of forge piece, while simplifying the adjustment process, improve work efficiency, solve the single mode of existing frock fixed forge piece, extrusion intensity is weak, the problem of time-consuming and labor-saving adjustment.

[0044] The above is only the specific application example of the utility model, and does not constitute any limitation on the protection scope of the utility model. Any technical solution formed by equivalent transformation or equivalent replacement falls within the protection scope of the utility model.

Claims

1. A heat treatment tooling for 33NiCrMoV14-5 high alloy steel forgings, characterized in that: Including the connecting frame (1), the back of the connecting frame (1) is fixedly connected with the connecting plate (2), both sides of the top of the connecting plate (2) are movably connected with the positioning frame (3) through the pin shaft, the positioning frame (3) is located on the top of the connecting frame (1) and can swing towards each other and extrude and fix the forgings, the back of the connecting frame (1) is provided with a transmission structure (4), the transmission structure (4) can push multiple positioning frames (3) to swing at the same time; The transmission structure (4) includes a transmission plate (5) arranged at the bottom of the connecting frame (1), the top of the transmission plate (5) is fixedly connected with a plurality of linkage plates (6), the top of the linkage plate (6) is fixedly connected with a sliding rod (7), one side of the positioning frame (3) close to the connecting plate (2) is fixedly connected with a sleeve plate (8), one side of the sliding rod (7) away from the linkage plate (6) extends to the inside of the sleeve plate (8) and is slidably connected with the sleeve plate (8); Both sides of the front of the connecting frame (1) are fixedly connected with the movable block (12), the inner side of the movable block (12) is movably connected with the pressure rod (13) through the pin shaft, one side of the pressure rod (13) away from the movable block (12) extends to the top of the connecting frame (1) and can contact with the forgings placed on the top of the connecting frame (1).

2. A heat treatment fixture for 33NiCrMoV14-5 high alloy steel forgings according to claim 1, characterized in that: The bottom of the connecting frame (1) is fixedly connected with the support (9), the inside of the support (9) is movably connected with the screw rod (10) through the bearing, the transmission plate (5) is sleeved on the surface of the screw rod (10) and is threadedly connected with the screw rod (10).

3. A heat treatment fixture for 33NiCrMoV14-5 high alloy steel forgings according to claim 2, characterized in that: The rear end of the screw rod (10) penetrates through the support (9) and extends to the back of the support (9), the rear end of the screw rod (10) is fixedly connected with the torsion block (11).

4. The heat treatment fixture of a 33NiCrMoV14-5 high alloy steel forge piece according to claim 1, characterized in that: One side of the pressure rod (13) close to the movable block (12) is fixedly connected with the stress plate (14), both sides of the transmission plate (5) are fixedly connected with the extension plate (15), one side of the extension plate (15) away from the transmission plate (5) penetrates through the connecting frame (1) and extends to the front of the connecting frame (1), the front end of the extension plate (15) is fixedly connected with the push plate (16), the push plate (16) is located at the bottom of the stress plate (14) and is slidably connected with the stress plate (14).

Citation Information

Patent Citations

  • Tool for heat treatment of cake type alloy steel forgings and use method of tool

    CN118726728A