Die locking device of roll forging machine
The design of the rolling mill die locking device solves the problem of cumbersome traditional die fixing methods, enabling rapid die replacement and stabilization, and improving production efficiency and equipment utilization.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG JINCHI NEW MATERIAL TECH CO LTD
- Filing Date
- 2025-06-11
- Publication Date
- 2026-05-12
AI Technical Summary
Traditional roll forging machine die fixing methods are cumbersome, resulting in long die replacement times, affecting production efficiency, and easily causing cracks or fractures, reducing equipment utilization.
A rolling mill die locking device is adopted. Through the combination structure of a fixed plate and a pressure plate, the die base can be quickly locked and disassembled using a threaded rod and a clamping component. Combined with elastic components and damping plates, stability and noise reduction are improved.
It improves the ease of mold assembly and disassembly, reduces mold replacement time, enhances the stability of the mold base, reduces noise, and improves production efficiency and equipment utilization.
Smart Images
Figure CN224222641U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of roll forging machines, specifically a roll forging machine die locking device. Background Technology
[0002] A roll forging mill applies pressure to a metal material through a pair of counter-rotating dies (forging rolls), causing it to undergo plastic deformation, thereby obtaining the desired forging or forging billet. During the roll forging process, after the billet is compressed in the height direction by the roll forging die, except for a small portion of the metal flowing laterally, most of the metal flows along the length direction of the billet, increasing the length of the billet and decreasing the cross-sectional area. The roll forging die is the key component of the roll forging mill to achieve plastic deformation of the metal.
[0003] However, the traditional method of fixing most roll forging die is quite cumbersome. The die base is fixed to the surface of the roll with multiple bolts, which means that each bolt needs to be removed when changing the die, which is time-consuming and affects production efficiency. Especially in multi-variety, small-batch production, frequent die changes will significantly reduce equipment utilization. In addition, multiple bolt holes need to be machined on the die, which will lead to local material reduction and stress concentration points. Under high-frequency impact loads, this can easily cause cracks or fractures and shorten the die life. Utility Model Content
[0004] To overcome the shortcomings of existing technologies, most traditional roll forging machine die fixing methods are quite cumbersome, using multiple bolts to fix the die base to the surface of the roll. This results in the need to remove each bolt individually when changing the die, which is time-consuming and affects production efficiency. This utility model proposes a roll forging machine die locking device.
[0005] The technical solution adopted by this utility model to solve its technical problem is: a rolling mill mold locking device, including a rolling mill body, a rolling mill roll fixedly connected to the output end of the rolling mill body, the number of the rolling mill rolls is two, the surface of the rolling mill rolls is provided with a mold base, and the surface of the rolling mill rolls is provided with a locking structure.
[0006] The locking structure includes a fixing plate and a pressure plate. The inner cavity of the fixing plate is fixedly connected to the surface of the roll. One side of the fixing plate is attached to one side of the die holder. The inner wall of the pressure plate is slidably connected to the surface of the roll. The inner cavity of the roll is threadedly connected to a threaded rod. A clamping element is sleeved on the surface of the threaded rod. One side of the clamping element abuts against one side of the pressure plate. One end of the threaded rod is fixedly connected to a positioning end. One side of the positioning end is attached to one side of the clamping element.
[0007] Preferably, the surface of the roll is provided with mounting grooves, and there are multiple mounting grooves. The mounting grooves are all T-shaped, and the inner wall of the mounting groove is provided with an extension groove. The inner cavity of the extension groove is provided with an elastic component.
[0008] Preferably, the inner wall of the mold base is fixedly connected to a first mounting plate, and there are multiple first mounting plates, the surface of which is slidably connected to the inner wall of the mounting groove.
[0009] Preferably, the inner wall of the pressure plate is fixedly connected to a second mounting plate, and there are multiple second mounting plates, the surface of which is slidably connected to the inner wall of the mounting groove.
[0010] Preferably, a damping plate is fixedly connected to one side of both the fixing plate and the pressure plate, and one side of the damping plate is attached to one side of the mold base.
[0011] Preferably, the elastic component includes a stop plate, one side of which is slidably connected to the inner wall of the extension groove. A damping telescopic rod is fixedly connected to one side of the stop plate. There are multiple damping telescopic rods, one end of which is fixedly connected to the inner wall of the extension groove. A spring is sleeved on the surface of the damping telescopic rod. One end of the spring is fixedly connected to one side of the stop plate, and the other end of the spring is fixedly connected to the inner wall of the extension groove. One side of the stop plate is attached to one side of the first mounting plate.
[0012] Preferably, a limiting plate is fixedly connected to one side of the abutment, and one side of the limiting plate is attached to the inner wall of the extension groove.
[0013] The advantages of this utility model are:
[0014] In this invention, the die holder is initially slidably and snapped into place with the mounting groove on the roll via a first mounting plate. The fixing plate in the locking structure first defines the position of the die holder. The pressure plate is sleeved on the surface of the roll from the end away from the fixing plate. The surface of the threaded rod is provided with a smooth part. The clamping member is sleeved on the smooth part of the threaded rod. The threaded rod is threadedly connected to the roll and rotates continuously, so that the positioning end approaches and eventually fits against one side of the clamping member. The sleeve of the clamping member is fixed by the positioning end. The surface of the clamping member is provided with multiple extension rods. While the clamping member is fixed, the multiple extension rods press and fix the pressure plate. Thus, the die holder is fixed by the fixing plate and the pressure plate, and the threaded rod and the clamping member are locked together, improving the convenience of die holder assembly and disassembly. This solves the problems of the traditional cumbersome die fixing method of most roll forging machines, which uses multiple bolts to fix the die holder to the surface of the roll, resulting in the need to remove each bolt when changing the die, which is time-consuming and affects production efficiency. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a three-dimensional schematic diagram of the overall device of this utility model;
[0017] Figure 2 This is a schematic diagram of the disassembled roll of this utility model;
[0018] Figure 3 This is a schematic diagram of the internal structure of the roll of this utility model;
[0019] Figure 4 For the present utility model Figure 3 Enlarged schematic diagram of the structure at point A in the middle.
[0020] In the diagram: 1. Roll forging machine body; 2. Roll; 3. Die base; 4. Locking structure; 401. Fixing plate; 402. Pressure plate; 403. Threaded rod; 404. Clamping component; 405. Positioning end; 5. Mounting groove; 6. Extension groove; 7. Elastic component; 701. Support plate; 702. Damping telescopic rod; 703. Spring; 704. Limiting plate; 8. First mounting plate; 9. Second mounting plate; 10. Damping plate. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.
[0022] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.
[0023] This application discloses a locking device for a roll forging mill die. (Refer to...) Figures 1 to 3 A locking device for a roll forging mill mold includes a roll forging mill body 1, a roll 2 fixedly connected to the output end of the roll forging mill body 1, two rolls 2, a mold base 3 provided on the surface of each roll 2, and a locking structure 4 provided on the surface of each roll 2.
[0024] The locking structure 4 includes a fixing plate 401 and a pressure plate 402. The inner cavity of the fixing plate 401 is fixedly connected to the surface of the roll 2, and one side of the fixing plate 401 is attached to one side of the die base 3. The inner wall of the pressure plate 402 is slidably connected to the surface of the roll 2. A threaded rod 403 is threadedly connected to the inner cavity of the roll 2. A clamping member 404 is sleeved on the surface of the threaded rod 403. One side of the clamping member 404 abuts against one side of the pressure plate 402. A positioning end 405 is fixedly connected to one end of the threaded rod 403. One side of 405 is attached to one side of the clamping member 404. The surface of the roll 2 has multiple mounting grooves 5, all of which are T-shaped. The inner wall of each mounting groove 5 has an extension groove 6, and the inner cavity of the extension groove 6 contains an elastic component 7. The inner wall of the die base 3 is fixedly connected to multiple first mounting plates 8, whose surfaces are slidably connected to the inner wall of the mounting grooves 5. The output end of the roll forging machine body 1 in this roll forging die locking device can drive two sets of rolls 2 to rotate relative to each other. Both the first mounting plates 8 and the mounting grooves 5 are T-shaped. The die base 3 is initially slidably engaged with the mounting grooves 5 on the roll 2 via the first mounting plates 8. The fixing plate 401 in the locking structure 4 can first limit the position of the die base 3. The pressure plate 402 is sleeved on the surface of the roll 2 from the end furthest from the fixing plate 401. The surface of the threaded rod 403 has a smooth portion. The clamping member 404 is sleeved on the smooth portion of the threaded rod 403. 03 is threadedly connected to the roll 2 and rotates continuously, so that the positioning end 405 approaches and even fits against one side of the clamping member 404. The sleeve of the clamping member 404 is fixed by the positioning end 405. Multiple extension rods are provided on the surface of the clamping member 404. While the clamping member 404 is fixed, the multiple extension rods press and fix the pressure plate 402. Thus, the mold base 3 is fixed by the fixing plate 401 and the pressure plate 402, and the threaded rod 403 and the clamping member 404 are locked together, improving the convenience of disassembly and assembly of the mold base 3.
[0025] Reference Figure 2 and Figure 3 The inner wall of the pressure plate 402 is fixedly connected with a second mounting plate 9. There are multiple second mounting plates 9. The surface of the second mounting plate 9 is slidably connected to the inner wall of the mounting groove 5. Through the setting of the second mounting plate 9, the position of the pressure plate 402 is limited by the cooperation between the second mounting plate 9 and the mounting groove 5, thereby improving the stability of the pressure plate 402.
[0026] Reference Figure 2 A damping plate 10 is fixedly connected to one side of both the fixing plate 401 and the pressure plate 402. One side of the damping plate 10 is attached to one side of the mold base 3. The damping plate 10 can be made of rubber or other materials. When the fixing plate 401 and the pressure plate 402 are close to the mold base 3, the corresponding damping plate 10 is attached and pressed tightly to the mold base 3, which improves the stability of the mold base 3 and reduces noise.
[0027] Reference Figure 3 and Figure 4 The elastic component 7 includes a stop plate 701, one side of which is slidably connected to the inner wall of the extension groove 6. A damping telescopic rod 702 is fixedly connected to one side of the stop plate 701. There are multiple damping telescopic rods 702, one end of which is fixedly connected to the inner wall of the extension groove 6. A spring 703 is sleeved on the surface of the damping telescopic rod 702. One end of the spring 703 is fixedly connected to one side of the stop plate 701, and the other end of the spring 703 is fixedly connected to the inner wall of the extension groove 6. One side of the stop plate 701 is attached to the first mounting plate. On one side of 8, a limiting plate 704 is fixedly connected to one side of the abutment plate 701. One side of the limiting plate 704 is attached to the inner wall of the extension groove 6. Through the provided elastic component 7, the damping telescopic rod 702 in the elastic component 7 plays the main supporting role. The damping telescopic rod 702, together with the spring 703, provides elastic support for the abutment plate 701. The abutment plate 701 passes through the extension groove 6 and abuts against the first mounting plate 8 in the mounting groove 5, further improving the firmness of the mold base 3 installation. The limiting plate 704 can limit the abutment plate 701 in the extension groove 6.
[0028] Working principle: Both the first mounting plate 8 and the mounting groove 5 are T-shaped. The die holder 3 is initially slidably engaged with the mounting groove 5 on the roll 2 via the first mounting plate 8 to form a single unit. The damping telescopic rod 702 in the elastic component 7 plays a major supporting role. The damping telescopic rod 702, together with the spring 703, provides elastic support for the abutment plate 701. The abutment plate 701 passes through the extension groove 6 and abuts against the first mounting plate 8 in the mounting groove 5, further improving the firmness of the die holder 3 installation. The fixing plate 401 in the locking structure 4 can first limit the position of the die holder 3. The pressure plate 402 is sleeved on the surface of the roll 2 from the end away from the fixing plate 401. The surface of the threaded rod 403 is provided with a smooth part. The clamping member 404 is sleeved on the threaded rod 403. The smooth part of 3 has a threaded rod 403 that is threadedly connected to the roll 2 and rotates continuously, causing the positioning end 405 to approach and eventually fit against one side of the clamping member 404. The sleeve of the clamping member 404 is fixed by the positioning end 405. The surface of the clamping member 404 is provided with multiple extension rods. While the clamping member 404 is fixed, the multiple extension rods press and fix the pressure plate 402. The damping plate 10 can be made of rubber or other materials. When the fixing plate 401 and the pressure plate 402 approach the mold base 3, the corresponding damping plate 10 fits and presses against the mold base 3, improving the stability of the mold base 3 and reducing noise. Thus, the mold base 3 is fixed by the fixing plate 401 and the pressure plate 402, and the threaded rod 403 and the clamping member 404 are locked, improving the convenience of disassembling and assembling the mold base 3.
[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A locking device for a roll forging die, comprising a roll forging machine body (1), characterized in that: The output end of the roll forging machine body (1) is fixedly connected to a roll (2). There are two rolls (2). The surface of each roll (2) is provided with a mold base (3). The surface of each roll (2) is provided with a locking structure (4). The locking structure (4) includes a fixing plate (401) and a pressure plate (402). The inner cavity of the fixing plate (401) is fixedly connected to the surface of the roll (2). One side of the fixing plate (401) is attached to one side of the mold base (3). The inner wall of the pressure plate (402) is slidably connected to the surface of the roll (2). The inner cavity of the roll (2) is threadedly connected to a threaded rod (403). A clamping member (404) is sleeved on the surface of the threaded rod (403). One side of the clamping member (404) abuts against one side of the pressure plate (402). One end of the threaded rod (403) is fixedly connected to a positioning end (405). One side of the positioning end (405) is attached to one side of the clamping member (404).
2. The locking device for a roll forging die according to claim 1, characterized in that: The surface of the roll (2) is provided with mounting grooves (5), and there are multiple mounting grooves (5). The mounting grooves (5) are all T-shaped. The inner wall of the mounting groove (5) is provided with an extension groove (6), and the inner cavity of the extension groove (6) is provided with an elastic component (7).
3. The locking device for a roll forging die according to claim 2, characterized in that: The inner wall of the mold base (3) is fixedly connected to a first mounting plate (8), and there are multiple first mounting plates (8). The surface of the first mounting plate (8) is slidably connected to the inner wall of the mounting groove (5).
4. A locking device for a roll forging die according to claim 2, characterized in that: The inner wall of the pressure plate (402) is fixedly connected to a second mounting plate (9), and there are multiple second mounting plates (9). The surface of the second mounting plate (9) is slidably connected to the inner wall of the mounting groove (5).
5. A locking device for a roll forging die according to claim 1, characterized in that: A damping plate (10) is fixedly connected to one side of both the fixing plate (401) and the pressure plate (402), and one side of the damping plate (10) is attached to one side of the mold base (3).
6. A locking device for a roll forging die according to claim 2, characterized in that: The elastic component (7) includes a stop plate (701), one side of which is slidably connected to the inner wall of the extension groove (6). A damping telescopic rod (702) is fixedly connected to one side of the stop plate (701). There are multiple damping telescopic rods (702). One end of each damping telescopic rod (702) is fixedly connected to the inner wall of the extension groove (6). A spring (703) is sleeved on the surface of the damping telescopic rod (702). One end of the spring (703) is fixedly connected to one side of the stop plate (701), and the other end of the spring (703) is fixedly connected to the inner wall of the extension groove (6). One side of the stop plate (701) is attached to one side of the first mounting plate (8).
7. A locking device for a roll forging die according to claim 6, characterized in that: A limiting plate (704) is fixedly connected to one side of the abutment (701), and one side of the limiting plate (704) is attached to the inner wall of the extension groove (6).